31815784

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 83462400

約数和(自身を除く): 51646616

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 29, 44, 52, 56, 58, 77, 88, 91, 104, 116, 137, 143, 154, 182, 203, 232, 274, 286, 308, 319, 364, 377, 406, 548, 572, 616, 638, 728, 754, 812, 959, 1001, 1096, 1144, 1276, 1507, 1508, 1624, 1781, 1918, 2002, 2233, 2552, 2639, 3014, 3016, 3562, 3836, 3973, 4004, 4147, 4466, 5278, 6028, 7124, 7672, 7946, 8008, 8294, 8932, 10549, 10556, 12056, 12467, 14248, 15892, 16588, 17864, 19591, 21098, 21112, 24934, 27811, 29029, 31784, 33176, 39182, 42196, 43703, 49868, 51649, 55622, 58058, 78364, 84392, 87406, 99736, 103298, 111244, 116116, 137137, 156728, 174812, 206596, 222488, 232232, 274274, 305921, 349624, 361543, 413192, 548548, 568139, 611842, 723086, 1097096, 1136278, 1223684, 1446172, 2272556, 2447368, 2892344, 3976973, 4545112, 7953946, 15907892, 31815784]

約数ペア:

[(1, 31815784), (2, 15907892), (4, 7953946), (7, 4545112), (8, 3976973), (11, 2892344), (13, 2447368), (14, 2272556), (22, 1446172), (26, 1223684), (28, 1136278), (29, 1097096), (44, 723086), (52, 611842), (56, 568139), (58, 548548), (77, 413192), (88, 361543), (91, 349624), (104, 305921), (116, 274274), (137, 232232), (143, 222488), (154, 206596), (182, 174812), (203, 156728), (232, 137137), (274, 116116), (286, 111244), (308, 103298), (319, 99736), (364, 87406), (377, 84392), (406, 78364), (548, 58058), (572, 55622), (616, 51649), (638, 49868), (728, 43703), (754, 42196), (812, 39182), (959, 33176), (1001, 31784), (1096, 29029), (1144, 27811), (1276, 24934), (1507, 21112), (1508, 21098), (1624, 19591), (1781, 17864), (1918, 16588), (2002, 15892), (2233, 14248), (2552, 12467), (2639, 12056), (3014, 10556), (3016, 10549), (3562, 8932), (3836, 8294), (3973, 8008), (4004, 7946), (4147, 7672), (4466, 7124), (5278, 6028)]