261265644

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{1213}}^1$

素因数の和:1447

約数の個数: 72

約数和(自身を含む): 685822592

約数和(自身を除く): 424556948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 193, 279, 372, 386, 558, 579, 772, 1116, 1158, 1213, 1737, 2316, 2426, 3474, 3639, 4852, 5983, 6948, 7278, 10917, 11966, 14556, 17949, 21834, 23932, 35898, 37603, 43668, 53847, 71796, 75206, 107694, 112809, 150412, 215388, 225618, 234109, 338427, 451236, 468218, 676854, 702327, 936436, 1353708, 1404654, 2106981, 2809308, 4213962, 7257379, 8427924, 14514758, 21772137, 29029516, 43544274, 65316411, 87088548, 130632822, 261265644]

約数ペア:

[(1, 261265644), (2, 130632822), (3, 87088548), (4, 65316411), (6, 43544274), (9, 29029516), (12, 21772137), (18, 14514758), (31, 8427924), (36, 7257379), (62, 4213962), (93, 2809308), (124, 2106981), (186, 1404654), (193, 1353708), (279, 936436), (372, 702327), (386, 676854), (558, 468218), (579, 451236), (772, 338427), (1116, 234109), (1158, 225618), (1213, 215388), (1737, 150412), (2316, 112809), (2426, 107694), (3474, 75206), (3639, 71796), (4852, 53847), (5983, 43668), (6948, 37603), (7278, 35898), (10917, 23932), (11966, 21834), (14556, 17949)]