521104745

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 766402560

約数和(自身を除く): 245297815

約数列:

[1, 5, 7, 35, 43, 47, 53, 139, 215, 235, 265, 301, 329, 371, 695, 973, 1505, 1645, 1855, 2021, 2279, 2491, 4865, 5977, 6533, 7367, 10105, 11395, 12455, 14147, 15953, 17437, 29885, 32665, 36835, 41839, 45731, 51569, 70735, 79765, 87185, 107113, 209195, 228655, 257845, 280919, 316781, 346249, 535565, 749791, 1404595, 1583905, 1731245, 1966433, 2217467, 2423743, 3748955, 9832165, 11087335, 12118715, 14888707, 74443535, 104220949, 521104745]

約数ペア:

[(1, 521104745), (5, 104220949), (7, 74443535), (35, 14888707), (43, 12118715), (47, 11087335), (53, 9832165), (139, 3748955), (215, 2423743), (235, 2217467), (265, 1966433), (301, 1731245), (329, 1583905), (371, 1404595), (695, 749791), (973, 535565), (1505, 346249), (1645, 316781), (1855, 280919), (2021, 257845), (2279, 228655), (2491, 209195), (4865, 107113), (5977, 87185), (6533, 79765), (7367, 70735), (10105, 51569), (11395, 45731), (12455, 41839), (14147, 36835), (15953, 32665), (17437, 29885)]