78157696

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{19697}}^1$

素因数の和:19742

約数の個数: 32

約数和(自身を含む): 160735680

約数和(自身を除く): 82577984

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 19697, 39394, 78788, 157576, 315152, 610607, 630304, 1221214, 1260608, 2442428, 2521216, 4884856, 9769712, 19539424, 39078848, 78157696]

約数ペア:

[(1, 78157696), (2, 39078848), (4, 19539424), (8, 9769712), (16, 4884856), (31, 2521216), (32, 2442428), (62, 1260608), (64, 1221214), (124, 630304), (128, 610607), (248, 315152), (496, 157576), (992, 78788), (1984, 39394), (3968, 19697)]