1378974710

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{440567}}^1$

素因数の和:440887

約数の個数: 16

約数和(自身を含む): 2490090336

約数和(自身を除く): 1111115626

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 440567, 881134, 2202835, 4405670, 137897471, 275794942, 689487355, 1378974710]

約数ペア:

[(1, 1378974710), (2, 689487355), (5, 275794942), (10, 137897471), (313, 4405670), (626, 2202835), (1565, 881134), (3130, 440567)]