28145796

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 77144256

約数和(自身を除く): 48998460

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 151, 196, 294, 302, 317, 453, 588, 604, 634, 906, 951, 1057, 1268, 1812, 1902, 2114, 2219, 3171, 3804, 4228, 4438, 6342, 6657, 7399, 8876, 12684, 13314, 14798, 15533, 22197, 26628, 29596, 31066, 44394, 46599, 47867, 62132, 88788, 93198, 95734, 143601, 186396, 191468, 287202, 335069, 574404, 670138, 1005207, 1340276, 2010414, 2345483, 4020828, 4690966, 7036449, 9381932, 14072898, 28145796]

約数ペア:

[(1, 28145796), (2, 14072898), (3, 9381932), (4, 7036449), (6, 4690966), (7, 4020828), (12, 2345483), (14, 2010414), (21, 1340276), (28, 1005207), (42, 670138), (49, 574404), (84, 335069), (98, 287202), (147, 191468), (151, 186396), (196, 143601), (294, 95734), (302, 93198), (317, 88788), (453, 62132), (588, 47867), (604, 46599), (634, 44394), (906, 31066), (951, 29596), (1057, 26628), (1268, 22197), (1812, 15533), (1902, 14798), (2114, 13314), (2219, 12684), (3171, 8876), (3804, 7399), (4228, 6657), (4438, 6342)]