164470631

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 208707840

約数和(自身を除く): 44237209

約数列:

[1, 13, 17, 19, 23, 131, 169, 221, 247, 299, 323, 391, 437, 1703, 2227, 2489, 2873, 3013, 3211, 3887, 4199, 5083, 5681, 7429, 22139, 28951, 32357, 39169, 42313, 51221, 54587, 57247, 66079, 73853, 96577, 376363, 420641, 509197, 550069, 665873, 744211, 973199, 1255501, 7150897, 8656349, 9674743, 12651587, 164470631]

約数ペア:

[(1, 164470631), (13, 12651587), (17, 9674743), (19, 8656349), (23, 7150897), (131, 1255501), (169, 973199), (221, 744211), (247, 665873), (299, 550069), (323, 509197), (391, 420641), (437, 376363), (1703, 96577), (2227, 73853), (2489, 66079), (2873, 57247), (3013, 54587), (3211, 51221), (3887, 42313), (4199, 39169), (5083, 32357), (5681, 28951), (7429, 22139)]