647496684

素因数分解:

$2^2\times 3^2\times {\mathrm{2039}}^1\times {\mathrm{8821}}^1$

素因数の和:10870

約数の個数: 36

約数和(自身を含む): 1637716080

約数和(自身を除く): 990219396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2039, 4078, 6117, 8156, 8821, 12234, 17642, 18351, 24468, 26463, 35284, 36702, 52926, 73404, 79389, 105852, 158778, 317556, 17986019, 35972038, 53958057, 71944076, 107916114, 161874171, 215832228, 323748342, 647496684]

約数ペア:

[(1, 647496684), (2, 323748342), (3, 215832228), (4, 161874171), (6, 107916114), (9, 71944076), (12, 53958057), (18, 35972038), (36, 17986019), (2039, 317556), (4078, 158778), (6117, 105852), (8156, 79389), (8821, 73404), (12234, 52926), (17642, 36702), (18351, 35284), (24468, 26463)]