78121318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{337}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 131852448

約数和(自身を除く): 53731130

約数列:

[1, 2, 11, 22, 41, 82, 257, 337, 451, 514, 674, 902, 2827, 3707, 5654, 7414, 10537, 13817, 21074, 27634, 86609, 115907, 151987, 173218, 231814, 303974, 952699, 1905398, 3550969, 7101938, 39060659, 78121318]

約数ペア:

[(1, 78121318), (2, 39060659), (11, 7101938), (22, 3550969), (41, 1905398), (82, 952699), (257, 303974), (337, 231814), (451, 173218), (514, 151987), (674, 115907), (902, 86609), (2827, 27634), (3707, 21074), (5654, 13817), (7414, 10537)]