64415290

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149803}}^1$

素因数の和:149853

約数の個数: 16

約数和(自身を含む): 118644768

約数和(自身を除く): 54229478

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 149803, 299606, 749015, 1498030, 6441529, 12883058, 32207645, 64415290]

約数ペア:

[(1, 64415290), (2, 32207645), (5, 12883058), (10, 6441529), (43, 1498030), (86, 749015), (215, 299606), (430, 149803)]