1389104492

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{4891213}}^1$

素因数の和:4891288

約数の個数: 12

約数和(自身を含む): 2465171856

約数和(自身を除く): 1076067364

約数列:

[1, 2, 4, 71, 142, 284, 4891213, 9782426, 19564852, 347276123, 694552246, 1389104492]

約数ペア:

[(1, 1389104492), (2, 694552246), (4, 347276123), (71, 19564852), (142, 9782426), (284, 4891213)]