7388220655

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{87887}}^1$

素因数の和:87975

約数の個数: 32

約数和(自身を含む): 10023450624

約数和(自身を除く): 2635229969

約数列:

[1, 5, 17, 23, 43, 85, 115, 215, 391, 731, 989, 1955, 3655, 4945, 16813, 84065, 87887, 439435, 1494079, 2021401, 3779141, 7470395, 10107005, 18895705, 34363817, 64245397, 86920243, 171819085, 321226985, 434601215, 1477644131, 7388220655]

約数ペア:

[(1, 7388220655), (5, 1477644131), (17, 434601215), (23, 321226985), (43, 171819085), (85, 86920243), (115, 64245397), (215, 34363817), (391, 18895705), (731, 10107005), (989, 7470395), (1955, 3779141), (3655, 2021401), (4945, 1494079), (16813, 439435), (84065, 87887)]