64288870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{487}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 119040768

約数和(自身を除く): 54751898

約数列:

[1, 2, 5, 10, 43, 86, 215, 307, 430, 487, 614, 974, 1535, 2435, 3070, 4870, 13201, 20941, 26402, 41882, 66005, 104705, 132010, 149509, 209410, 299018, 747545, 1495090, 6428887, 12857774, 32144435, 64288870]

約数ペア:

[(1, 64288870), (2, 32144435), (5, 12857774), (10, 6428887), (43, 1495090), (86, 747545), (215, 299018), (307, 209410), (430, 149509), (487, 132010), (614, 104705), (974, 66005), (1535, 41882), (2435, 26402), (3070, 20941), (4870, 13201)]