28334628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{229}}^1\times {\mathrm{491}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 82380480

約数和(自身を除く): 54045852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 229, 252, 458, 491, 687, 916, 982, 1374, 1473, 1603, 1964, 2061, 2748, 2946, 3206, 3437, 4122, 4419, 4809, 5892, 6412, 6874, 8244, 8838, 9618, 10311, 13748, 14427, 17676, 19236, 20622, 28854, 30933, 41244, 57708, 61866, 112439, 123732, 224878, 337317, 449756, 674634, 787073, 1011951, 1349268, 1574146, 2023902, 2361219, 3148292, 4047804, 4722438, 7083657, 9444876, 14167314, 28334628]

約数ペア:

[(1, 28334628), (2, 14167314), (3, 9444876), (4, 7083657), (6, 4722438), (7, 4047804), (9, 3148292), (12, 2361219), (14, 2023902), (18, 1574146), (21, 1349268), (28, 1011951), (36, 787073), (42, 674634), (63, 449756), (84, 337317), (126, 224878), (229, 123732), (252, 112439), (458, 61866), (491, 57708), (687, 41244), (916, 30933), (982, 28854), (1374, 20622), (1473, 19236), (1603, 17676), (1964, 14427), (2061, 13748), (2748, 10311), (2946, 9618), (3206, 8838), (3437, 8244), (4122, 6874), (4419, 6412), (4809, 5892)]