128540879995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{433681}}^1$

素因数の和:434031

約数の個数: 32

約数和(自身を含む): 178732495296

約数和(自身を除く): 50191615301

約数列:

[1, 5, 11, 17, 55, 85, 187, 317, 935, 1585, 3487, 5389, 17435, 26945, 59279, 296395, 433681, 2168405, 4770491, 7372577, 23852455, 36862885, 81098347, 137476877, 405491735, 687384385, 1512245647, 2337106909, 7561228235, 11685534545, 25708175999, 128540879995]

約数ペア:

[(1, 128540879995), (5, 25708175999), (11, 11685534545), (17, 7561228235), (55, 2337106909), (85, 1512245647), (187, 687384385), (317, 405491735), (935, 137476877), (1585, 81098347), (3487, 36862885), (5389, 23852455), (17435, 7372577), (26945, 4770491), (59279, 2168405), (296395, 433681)]