66721175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{4243}}^1$

素因数の和:4307

約数の個数: 24

約数和(自身を含む): 89989776

約数和(自身を除く): 23268601

約数列:

[1, 5, 17, 25, 37, 85, 185, 425, 629, 925, 3145, 4243, 15725, 21215, 72131, 106075, 156991, 360655, 784955, 1803275, 2668847, 3924775, 13344235, 66721175]

約数ペア:

[(1, 66721175), (5, 13344235), (17, 3924775), (25, 2668847), (37, 1803275), (85, 784955), (185, 360655), (425, 156991), (629, 106075), (925, 72131), (3145, 21215), (4243, 15725)]