38891665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 51438240

約数和(自身を除く): 12546575

約数列:

[1, 5, 17, 53, 85, 89, 97, 265, 445, 485, 901, 1513, 1649, 4505, 4717, 5141, 7565, 8245, 8633, 23585, 25705, 43165, 80189, 87397, 146761, 400945, 436985, 457549, 733805, 2287745, 7778333, 38891665]

約数ペア:

[(1, 38891665), (5, 7778333), (17, 2287745), (53, 733805), (85, 457549), (89, 436985), (97, 400945), (265, 146761), (445, 87397), (485, 80189), (901, 43165), (1513, 25705), (1649, 23585), (4505, 8633), (4717, 8245), (5141, 7565)]