1340987655

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{97}}^1\times {\mathrm{2687}}^1$

素因数の和:2813

約数の個数: 64

約数和(自身を含む): 2528870400

約数和(自身を除く): 1187882745

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 97, 105, 147, 245, 291, 343, 485, 679, 735, 1029, 1455, 1715, 2037, 2687, 3395, 4753, 5145, 8061, 10185, 13435, 14259, 18809, 23765, 33271, 40305, 56427, 71295, 94045, 99813, 131663, 166355, 260639, 282135, 394989, 499065, 658315, 781917, 921641, 1303195, 1824473, 1974945, 2764923, 3909585, 4608205, 5473419, 9122365, 12771311, 13824615, 27367095, 38313933, 63856555, 89399177, 191569665, 268197531, 446995885, 1340987655]

約数ペア:

[(1, 1340987655), (3, 446995885), (5, 268197531), (7, 191569665), (15, 89399177), (21, 63856555), (35, 38313933), (49, 27367095), (97, 13824615), (105, 12771311), (147, 9122365), (245, 5473419), (291, 4608205), (343, 3909585), (485, 2764923), (679, 1974945), (735, 1824473), (1029, 1303195), (1455, 921641), (1715, 781917), (2037, 658315), (2687, 499065), (3395, 394989), (4753, 282135), (5145, 260639), (8061, 166355), (10185, 131663), (13435, 99813), (14259, 94045), (18809, 71295), (23765, 56427), (33271, 40305)]