77904125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 105670656

約数和(自身を除く): 27766531

約数列:

[1, 5, 13, 25, 65, 125, 191, 251, 325, 955, 1255, 1625, 2483, 3263, 4775, 6275, 12415, 16315, 23875, 31375, 47941, 62075, 81575, 239705, 310375, 407875, 623233, 1198525, 3116165, 5992625, 15580825, 77904125]

約数ペア:

[(1, 77904125), (5, 15580825), (13, 5992625), (25, 3116165), (65, 1198525), (125, 623233), (191, 407875), (251, 310375), (325, 239705), (955, 81575), (1255, 62075), (1625, 47941), (2483, 31375), (3263, 23875), (4775, 16315), (6275, 12415)]