391036256

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{72307}}^1$

素因数の和:72343

約数の個数: 36

約数和(自身を含む): 833638932

約数和(自身を除く): 442602676

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 72307, 144614, 289228, 578456, 939991, 1156912, 1879982, 2313824, 3759964, 7519928, 12219883, 15039856, 24439766, 30079712, 48879532, 97759064, 195518128, 391036256]

約数ペア:

[(1, 391036256), (2, 195518128), (4, 97759064), (8, 48879532), (13, 30079712), (16, 24439766), (26, 15039856), (32, 12219883), (52, 7519928), (104, 3759964), (169, 2313824), (208, 1879982), (338, 1156912), (416, 939991), (676, 578456), (1352, 289228), (2704, 144614), (5408, 72307)]