1640720454

素因数分解:

$2^1\times 3^1\times {\mathrm{1021}}^1\times {\mathrm{267829}}^1$

素因数の和:268855

約数の個数: 16

約数和(自身を含む): 3284667120

約数和(自身を除く): 1643946666

約数列:

[1, 2, 3, 6, 1021, 2042, 3063, 6126, 267829, 535658, 803487, 1606974, 273453409, 546906818, 820360227, 1640720454]

約数ペア:

[(1, 1640720454), (2, 820360227), (3, 546906818), (6, 273453409), (1021, 1606974), (2042, 803487), (3063, 535658), (6126, 267829)]