156778505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2677}}^1$

素因数の和:2765

約数の個数: 32

約数和(自身を含む): 218653344

約数和(自身を除く): 61874839

約数列:

[1, 5, 13, 17, 53, 65, 85, 221, 265, 689, 901, 1105, 2677, 3445, 4505, 11713, 13385, 34801, 45509, 58565, 141881, 174005, 227545, 591617, 709405, 1844453, 2411977, 2958085, 9222265, 12059885, 31355701, 156778505]

約数ペア:

[(1, 156778505), (5, 31355701), (13, 12059885), (17, 9222265), (53, 2958085), (65, 2411977), (85, 1844453), (221, 709405), (265, 591617), (689, 227545), (901, 174005), (1105, 141881), (2677, 58565), (3445, 45509), (4505, 34801), (11713, 13385)]