81165212

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{1259}}^1$

素因数の和:1561

約数の個数: 24

約数和(自身を含む): 144789120

約数和(自身を除く): 63623908

約数列:

[1, 2, 4, 71, 142, 227, 284, 454, 908, 1259, 2518, 5036, 16117, 32234, 64468, 89389, 178778, 285793, 357556, 571586, 1143172, 20291303, 40582606, 81165212]

約数ペア:

[(1, 81165212), (2, 40582606), (4, 20291303), (71, 1143172), (142, 571586), (227, 357556), (284, 285793), (454, 178778), (908, 89389), (1259, 64468), (2518, 32234), (5036, 16117)]