1640783494

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6168359}}^1$

素因数の和:6168387

約数の個数: 16

約数和(自身を含む): 2960812800

約数和(自身を除く): 1320029306

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 6168359, 12336718, 43178513, 86357026, 117198821, 234397642, 820391747, 1640783494]

約数ペア:

[(1, 1640783494), (2, 820391747), (7, 234397642), (14, 117198821), (19, 86357026), (38, 43178513), (133, 12336718), (266, 6168359)]