388629544

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{2551}}^1$

素因数の和:2833

約数の個数: 32

約数和(自身を含む): 739569600

約数和(自身を除く): 350940056

約数列:

[1, 2, 4, 8, 137, 139, 274, 278, 548, 556, 1096, 1112, 2551, 5102, 10204, 19043, 20408, 38086, 76172, 152344, 349487, 354589, 698974, 709178, 1397948, 1418356, 2795896, 2836712, 48578693, 97157386, 194314772, 388629544]

約数ペア:

[(1, 388629544), (2, 194314772), (4, 97157386), (8, 48578693), (137, 2836712), (139, 2795896), (274, 1418356), (278, 1397948), (548, 709178), (556, 698974), (1096, 354589), (1112, 349487), (2551, 152344), (5102, 76172), (10204, 38086), (19043, 20408)]