420165863

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 504548352

約数和(自身を除く): 84382489

約数列:

[1, 13, 17, 23, 131, 221, 299, 391, 631, 1703, 2227, 3013, 5083, 8203, 10727, 14513, 28951, 39169, 51221, 82661, 139451, 188669, 246721, 665873, 1074593, 1405237, 1901203, 3207373, 18268081, 24715639, 32320451, 420165863]

約数ペア:

[(1, 420165863), (13, 32320451), (17, 24715639), (23, 18268081), (131, 3207373), (221, 1901203), (299, 1405237), (391, 1074593), (631, 665873), (1703, 246721), (2227, 188669), (3013, 139451), (5083, 82661), (8203, 51221), (10727, 39169), (14513, 28951)]