718985345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{1217}}^1$

素因数の和:1445

約数の個数: 32

約数和(自身を含む): 951501600

約数和(自身を除く): 232516255

約数列:

[1, 5, 13, 61, 65, 149, 305, 745, 793, 1217, 1937, 3965, 6085, 9089, 9685, 15821, 45445, 74237, 79105, 118157, 181333, 371185, 590785, 906665, 965081, 2357329, 4825405, 11061313, 11786645, 55306565, 143797069, 718985345]

約数ペア:

[(1, 718985345), (5, 143797069), (13, 55306565), (61, 11786645), (65, 11061313), (149, 4825405), (305, 2357329), (745, 965081), (793, 906665), (1217, 590785), (1937, 371185), (3965, 181333), (6085, 118157), (9089, 79105), (9685, 74237), (15821, 45445)]