644133070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{9201901}}^1$

素因数の和:9201915

約数の個数: 16

約数和(自身を含む): 1325073888

約数和(自身を除く): 680940818

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 9201901, 18403802, 46009505, 64413307, 92019010, 128826614, 322066535, 644133070]

約数ペア:

[(1, 644133070), (2, 322066535), (5, 128826614), (7, 92019010), (10, 64413307), (14, 46009505), (35, 18403802), (70, 9201901)]