220831904

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{9901}}^1$

素因数の和:9969

約数の個数: 48

約数和(自身を含む): 471612456

約数和(自身を除く): 250780552

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 68, 82, 136, 164, 272, 328, 544, 656, 697, 1312, 1394, 2788, 5576, 9901, 11152, 19802, 22304, 39604, 79208, 158416, 168317, 316832, 336634, 405941, 673268, 811882, 1346536, 1623764, 2693072, 3247528, 5386144, 6495056, 6900997, 12990112, 13801994, 27603988, 55207976, 110415952, 220831904]

約数ペア:

[(1, 220831904), (2, 110415952), (4, 55207976), (8, 27603988), (16, 13801994), (17, 12990112), (32, 6900997), (34, 6495056), (41, 5386144), (68, 3247528), (82, 2693072), (136, 1623764), (164, 1346536), (272, 811882), (328, 673268), (544, 405941), (656, 336634), (697, 316832), (1312, 168317), (1394, 158416), (2788, 79208), (5576, 39604), (9901, 22304), (11152, 19802)]