809772535

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 1159653600

約数和(自身を除く): 349881065

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 149, 605, 691, 715, 745, 1573, 1639, 1937, 3455, 7601, 7865, 8195, 8983, 9685, 18029, 21307, 38005, 44915, 83611, 90145, 98813, 102959, 106535, 234377, 418055, 494065, 514795, 1086943, 1132549, 1171885, 1338467, 5434715, 5662745, 6692335, 12458039, 14723137, 62290195, 73615685, 161954507, 809772535]

約数ペア:

[(1, 809772535), (5, 161954507), (11, 73615685), (13, 62290195), (55, 14723137), (65, 12458039), (121, 6692335), (143, 5662745), (149, 5434715), (605, 1338467), (691, 1171885), (715, 1132549), (745, 1086943), (1573, 514795), (1639, 494065), (1937, 418055), (3455, 234377), (7601, 106535), (7865, 102959), (8195, 98813), (8983, 90145), (9685, 83611), (18029, 44915), (21307, 38005)]