1640779966

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3780599}}^1$

素因数の和:3780639

約数の個数: 16

約数和(自身を含む): 2903500800

約数和(自身を除く): 1262720834

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 3780599, 7561198, 26464193, 52928386, 117198569, 234397138, 820389983, 1640779966]

約数ペア:

[(1, 1640779966), (2, 820389983), (7, 234397138), (14, 117198569), (31, 52928386), (62, 26464193), (217, 7561198), (434, 3780599)]