28319508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1031}}^1$

素因数の和:1157

約数の個数: 72

約数和(自身を含む): 82642560

約数和(自身を除く): 54323052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 109, 126, 218, 252, 327, 436, 654, 763, 981, 1031, 1308, 1526, 1962, 2062, 2289, 3052, 3093, 3924, 4124, 4578, 6186, 6867, 7217, 9156, 9279, 12372, 13734, 14434, 18558, 21651, 27468, 28868, 37116, 43302, 64953, 86604, 112379, 129906, 224758, 259812, 337137, 449516, 674274, 786653, 1011411, 1348548, 1573306, 2022822, 2359959, 3146612, 4045644, 4719918, 7079877, 9439836, 14159754, 28319508]

約数ペア:

[(1, 28319508), (2, 14159754), (3, 9439836), (4, 7079877), (6, 4719918), (7, 4045644), (9, 3146612), (12, 2359959), (14, 2022822), (18, 1573306), (21, 1348548), (28, 1011411), (36, 786653), (42, 674274), (63, 449516), (84, 337137), (109, 259812), (126, 224758), (218, 129906), (252, 112379), (327, 86604), (436, 64953), (654, 43302), (763, 37116), (981, 28868), (1031, 27468), (1308, 21651), (1526, 18558), (1962, 14434), (2062, 13734), (2289, 12372), (3052, 9279), (3093, 9156), (3924, 7217), (4124, 6867), (4578, 6186)]