12491830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{313}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 24371424

約数和(自身を除く): 11879594

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 307, 313, 614, 626, 1535, 1565, 3070, 3130, 3991, 4069, 7982, 8138, 19955, 20345, 39910, 40690, 96091, 192182, 480455, 960910, 1249183, 2498366, 6245915, 12491830]

約数ペア:

[(1, 12491830), (2, 6245915), (5, 2498366), (10, 1249183), (13, 960910), (26, 480455), (65, 192182), (130, 96091), (307, 40690), (313, 39910), (614, 20345), (626, 19955), (1535, 8138), (1565, 7982), (3070, 4069), (3130, 3991)]