64966775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2153}}^1$

素因数の和:2251

約数の個数: 24

約数和(自身を含む): 86539104

約数和(自身を除く): 21572329

約数列:

[1, 5, 17, 25, 71, 85, 355, 425, 1207, 1775, 2153, 6035, 10765, 30175, 36601, 53825, 152863, 183005, 764315, 915025, 2598671, 3821575, 12993355, 64966775]

約数ペア:

[(1, 64966775), (5, 12993355), (17, 3821575), (25, 2598671), (71, 915025), (85, 764315), (355, 183005), (425, 152863), (1207, 53825), (1775, 36601), (2153, 30175), (6035, 10765)]