172039609

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 218972160

約数和(自身を除く): 46932551

約数列:

[1, 7, 17, 23, 119, 161, 239, 263, 391, 1673, 1841, 2737, 4063, 4471, 5497, 6049, 28441, 31297, 38479, 42343, 62857, 93449, 102833, 439999, 654143, 719831, 1068569, 1445711, 7479983, 10119977, 24577087, 172039609]

約数ペア:

[(1, 172039609), (7, 24577087), (17, 10119977), (23, 7479983), (119, 1445711), (161, 1068569), (239, 719831), (263, 654143), (391, 439999), (1673, 102833), (1841, 93449), (2737, 62857), (4063, 42343), (4471, 38479), (5497, 31297), (6049, 28441)]