217425665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 286584480

約数和(自身を除く): 69158815

約数列:

[1, 5, 17, 41, 85, 89, 205, 445, 697, 701, 1513, 3485, 3505, 3649, 7565, 11917, 18245, 28741, 59585, 62033, 62389, 143705, 310165, 311945, 488597, 1060613, 2442985, 2557949, 5303065, 12789745, 43485133, 217425665]

約数ペア:

[(1, 217425665), (5, 43485133), (17, 12789745), (41, 5303065), (85, 2557949), (89, 2442985), (205, 1060613), (445, 488597), (697, 311945), (701, 310165), (1513, 143705), (3485, 62389), (3505, 62033), (3649, 59585), (7565, 28741), (11917, 18245)]