328397615

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37987}}^1$

素因数の和:38031

約数の個数: 32

約数和(自身を含む): 510558720

約数和(自身を除く): 182161105

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 8645, 37987, 189935, 265909, 493831, 721753, 1329545, 2469155, 3456817, 3608765, 5052271, 9382789, 17284085, 25261355, 46913945, 65679523, 328397615]

約数ペア:

[(1, 328397615), (5, 65679523), (7, 46913945), (13, 25261355), (19, 17284085), (35, 9382789), (65, 5052271), (91, 3608765), (95, 3456817), (133, 2469155), (247, 1329545), (455, 721753), (665, 493831), (1235, 265909), (1729, 189935), (8645, 37987)]