638451528

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9791}}^1$

素因数の和:9843

約数の個数: 128

約数和(自身を含む): 1974067200

約数和(自身を除く): 1335615672

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 19, 22, 24, 26, 33, 38, 39, 44, 52, 57, 66, 76, 78, 88, 104, 114, 132, 143, 152, 156, 209, 228, 247, 264, 286, 312, 418, 429, 456, 494, 572, 627, 741, 836, 858, 988, 1144, 1254, 1482, 1672, 1716, 1976, 2508, 2717, 2964, 3432, 5016, 5434, 5928, 8151, 9791, 10868, 16302, 19582, 21736, 29373, 32604, 39164, 58746, 65208, 78328, 107701, 117492, 127283, 186029, 215402, 234984, 254566, 323103, 372058, 381849, 430804, 509132, 558087, 646206, 744116, 763698, 861608, 1018264, 1116174, 1292412, 1400113, 1488232, 1527396, 2046319, 2232348, 2418377, 2584824, 2800226, 3054792, 4092638, 4200339, 4464696, 4836754, 5600452, 6138957, 7255131, 8185276, 8400678, 9673508, 11200904, 12277914, 14510262, 16370552, 16801356, 19347016, 24555828, 26602147, 29020524, 33602712, 49111656, 53204294, 58041048, 79806441, 106408588, 159612882, 212817176, 319225764, 638451528]

約数ペア:

[(1, 638451528), (2, 319225764), (3, 212817176), (4, 159612882), (6, 106408588), (8, 79806441), (11, 58041048), (12, 53204294), (13, 49111656), (19, 33602712), (22, 29020524), (24, 26602147), (26, 24555828), (33, 19347016), (38, 16801356), (39, 16370552), (44, 14510262), (52, 12277914), (57, 11200904), (66, 9673508), (76, 8400678), (78, 8185276), (88, 7255131), (104, 6138957), (114, 5600452), (132, 4836754), (143, 4464696), (152, 4200339), (156, 4092638), (209, 3054792), (228, 2800226), (247, 2584824), (264, 2418377), (286, 2232348), (312, 2046319), (418, 1527396), (429, 1488232), (456, 1400113), (494, 1292412), (572, 1116174), (627, 1018264), (741, 861608), (836, 763698), (858, 744116), (988, 646206), (1144, 558087), (1254, 509132), (1482, 430804), (1672, 381849), (1716, 372058), (1976, 323103), (2508, 254566), (2717, 234984), (2964, 215402), (3432, 186029), (5016, 127283), (5434, 117492), (5928, 107701), (8151, 78328), (9791, 65208), (10868, 58746), (16302, 39164), (19582, 32604), (21736, 29373)]