398936645

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{6199}}^1$

素因数の和:6476

約数の個数: 16

約数和(自身を含む): 488956800

約数和(自身を除く): 90020155

約数列:

[1, 5, 61, 211, 305, 1055, 6199, 12871, 30995, 64355, 378139, 1307989, 1890695, 6539945, 79787329, 398936645]

約数ペア:

[(1, 398936645), (5, 79787329), (61, 6539945), (211, 1890695), (305, 1307989), (1055, 378139), (6199, 64355), (12871, 30995)]