1389784808

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{5603971}}^1$

素因数の和:5604008

約数の個数: 16

約数和(自身を含む): 2689906560

約数和(自身を除く): 1300121752

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 5603971, 11207942, 22415884, 44831768, 173723101, 347446202, 694892404, 1389784808]

約数ペア:

[(1, 1389784808), (2, 694892404), (4, 347446202), (8, 173723101), (31, 44831768), (62, 22415884), (124, 11207942), (248, 5603971)]