778327810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{15881}}^1$

素因数の和:15943

約数の個数: 48

約数和(自身を含む): 1569459240

約数和(自身を除く): 791131430

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 169, 290, 338, 377, 754, 845, 1690, 1885, 3770, 4901, 9802, 15881, 24505, 31762, 49010, 79405, 158810, 206453, 412906, 460549, 921098, 1032265, 2064530, 2302745, 2683889, 4605490, 5367778, 5987137, 11974274, 13419445, 26838890, 29935685, 59871370, 77832781, 155665562, 389163905, 778327810]

約数ペア:

[(1, 778327810), (2, 389163905), (5, 155665562), (10, 77832781), (13, 59871370), (26, 29935685), (29, 26838890), (58, 13419445), (65, 11974274), (130, 5987137), (145, 5367778), (169, 4605490), (290, 2683889), (338, 2302745), (377, 2064530), (754, 1032265), (845, 921098), (1690, 460549), (1885, 412906), (3770, 206453), (4901, 158810), (9802, 79405), (15881, 49010), (24505, 31762)]