1378617842

素因数分解:

$2^1\times 7^3\times {\mathrm{2009647}}^1$

素因数の和:2009670

約数の個数: 16

約数和(自身を含む): 2411577600

約数和(自身を除く): 1032959758

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2009647, 4019294, 14067529, 28135058, 98472703, 196945406, 689308921, 1378617842]

約数ペア:

[(1, 1378617842), (2, 689308921), (7, 196945406), (14, 98472703), (49, 28135058), (98, 14067529), (343, 4019294), (686, 2009647)]