40639774

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{701}}^1$

素因数の和:852

約数の個数: 32

約数和(自身を含む): 72176832

約数和(自身を除く): 31537058

約数列:

[1, 2, 7, 14, 41, 82, 101, 202, 287, 574, 701, 707, 1402, 1414, 4141, 4907, 8282, 9814, 28741, 28987, 57482, 57974, 70801, 141602, 201187, 402374, 495607, 991214, 2902841, 5805682, 20319887, 40639774]

約数ペア:

[(1, 40639774), (2, 20319887), (7, 5805682), (14, 2902841), (41, 991214), (82, 495607), (101, 402374), (202, 201187), (287, 141602), (574, 70801), (701, 57974), (707, 57482), (1402, 28987), (1414, 28741), (4141, 9814), (4907, 8282)]