1389855856

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{2995379}}^1$

素因数の和:2995416

約数の個数: 20

約数和(自身を含む): 2785703400

約数和(自身を除く): 1395847544

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 2995379, 5990758, 11981516, 23963032, 47926064, 86865991, 173731982, 347463964, 694927928, 1389855856]

約数ペア:

[(1, 1389855856), (2, 694927928), (4, 347463964), (8, 173731982), (16, 86865991), (29, 47926064), (58, 23963032), (116, 11981516), (232, 5990758), (464, 2995379)]