39890356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^2$

素因数の和:312

約数の個数: 36

約数和(自身を含む): 77916384

約数和(自身を除く): 38026028

約数列:

[1, 2, 4, 11, 22, 44, 71, 113, 142, 226, 284, 452, 781, 1243, 1562, 2486, 3124, 4972, 8023, 12769, 16046, 25538, 32092, 51076, 88253, 140459, 176506, 280918, 353012, 561836, 906599, 1813198, 3626396, 9972589, 19945178, 39890356]

約数ペア:

[(1, 39890356), (2, 19945178), (4, 9972589), (11, 3626396), (22, 1813198), (44, 906599), (71, 561836), (113, 353012), (142, 280918), (226, 176506), (284, 140459), (452, 88253), (781, 51076), (1243, 32092), (1562, 25538), (2486, 16046), (3124, 12769), (4972, 8023)]