208047515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 275982336

約数和(自身を除く): 67934821

約数列:

[1, 5, 13, 61, 65, 137, 305, 383, 685, 793, 1781, 1915, 3965, 4979, 8357, 8905, 23363, 24895, 41785, 52471, 108641, 116815, 262355, 303719, 543205, 682123, 1518595, 3200731, 3410615, 16003655, 41609503, 208047515]

約数ペア:

[(1, 208047515), (5, 41609503), (13, 16003655), (61, 3410615), (65, 3200731), (137, 1518595), (305, 682123), (383, 543205), (685, 303719), (793, 262355), (1781, 116815), (1915, 108641), (3965, 52471), (4979, 41785), (8357, 24895), (8905, 23363)]