27720209552

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:649

約数の個数: 160

約数和(自身を含む): 63993404160

約数和(自身を除く): 36273194608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 137, 139, 164, 274, 278, 287, 317, 328, 548, 556, 574, 634, 656, 959, 973, 1096, 1112, 1148, 1268, 1918, 1946, 2192, 2219, 2224, 2296, 2536, 3836, 3892, 4438, 4592, 5072, 5617, 5699, 7672, 7784, 8876, 11234, 11398, 12997, 15344, 15568, 17752, 19043, 22468, 22796, 25994, 35504, 38086, 39319, 39893, 43429, 44063, 44936, 45592, 51988, 76172, 78638, 79786, 86858, 88126, 89872, 90979, 91184, 103976, 133301, 152344, 157276, 159572, 173716, 176252, 181958, 207952, 266602, 304003, 304688, 308441, 314552, 319144, 347432, 352504, 363916, 533204, 608006, 616882, 629104, 638288, 694864, 705008, 727832, 780763, 1066408, 1216012, 1233764, 1455664, 1561526, 1780589, 1806583, 2132816, 2432024, 2467528, 3123052, 3561178, 3613166, 4864048, 4935056, 5465341, 6036631, 6246104, 7122356, 7226332, 10930682, 12073262, 12464123, 12492208, 12646081, 14244712, 14452664, 21861364, 24146524, 24928246, 25292162, 28489424, 28905328, 42256417, 43722728, 48293048, 49856492, 50584324, 84512834, 87445456, 96586096, 99712984, 101168648, 169025668, 199425968, 202337296, 247501871, 338051336, 495003742, 676102672, 990007484, 1732513097, 1980014968, 3465026194, 3960029936, 6930052388, 13860104776, 27720209552]

約数ペア:

[(1, 27720209552), (2, 13860104776), (4, 6930052388), (7, 3960029936), (8, 3465026194), (14, 1980014968), (16, 1732513097), (28, 990007484), (41, 676102672), (56, 495003742), (82, 338051336), (112, 247501871), (137, 202337296), (139, 199425968), (164, 169025668), (274, 101168648), (278, 99712984), (287, 96586096), (317, 87445456), (328, 84512834), (548, 50584324), (556, 49856492), (574, 48293048), (634, 43722728), (656, 42256417), (959, 28905328), (973, 28489424), (1096, 25292162), (1112, 24928246), (1148, 24146524), (1268, 21861364), (1918, 14452664), (1946, 14244712), (2192, 12646081), (2219, 12492208), (2224, 12464123), (2296, 12073262), (2536, 10930682), (3836, 7226332), (3892, 7122356), (4438, 6246104), (4592, 6036631), (5072, 5465341), (5617, 4935056), (5699, 4864048), (7672, 3613166), (7784, 3561178), (8876, 3123052), (11234, 2467528), (11398, 2432024), (12997, 2132816), (15344, 1806583), (15568, 1780589), (17752, 1561526), (19043, 1455664), (22468, 1233764), (22796, 1216012), (25994, 1066408), (35504, 780763), (38086, 727832), (39319, 705008), (39893, 694864), (43429, 638288), (44063, 629104), (44936, 616882), (45592, 608006), (51988, 533204), (76172, 363916), (78638, 352504), (79786, 347432), (86858, 319144), (88126, 314552), (89872, 308441), (90979, 304688), (91184, 304003), (103976, 266602), (133301, 207952), (152344, 181958), (157276, 176252), (159572, 173716)]