77779312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19681}}^1$

素因数の和:19721

約数の個数: 40

約数和(自身を含む): 170839760

約数和(自身を除く): 93060448

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 19681, 39362, 78724, 157448, 255853, 314896, 373939, 511706, 747878, 1023412, 1495756, 2046824, 2991512, 4093648, 4861207, 5983024, 9722414, 19444828, 38889656, 77779312]

約数ペア:

[(1, 77779312), (2, 38889656), (4, 19444828), (8, 9722414), (13, 5983024), (16, 4861207), (19, 4093648), (26, 2991512), (38, 2046824), (52, 1495756), (76, 1023412), (104, 747878), (152, 511706), (208, 373939), (247, 314896), (304, 255853), (494, 157448), (988, 78724), (1976, 39362), (3952, 19681)]