4006021955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1\times {\mathrm{761}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 5238414720

約数和(自身を除く): 1232392765

約数列:

[1, 5, 13, 65, 109, 545, 743, 761, 1417, 3715, 3805, 7085, 9659, 9893, 48295, 49465, 80987, 82949, 404935, 414745, 565423, 1052831, 1078337, 2827115, 5264155, 5391685, 7350499, 36752495, 61631107, 308155535, 801204391, 4006021955]

約数ペア:

[(1, 4006021955), (5, 801204391), (13, 308155535), (65, 61631107), (109, 36752495), (545, 7350499), (743, 5391685), (761, 5264155), (1417, 2827115), (3715, 1078337), (3805, 1052831), (7085, 565423), (9659, 414745), (9893, 404935), (48295, 82949), (49465, 80987)]