28065912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:381

約数の個数: 128

約数和(自身を含む): 87920640

約数和(自身を除く): 59854728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 31, 34, 42, 51, 56, 62, 68, 84, 93, 102, 119, 124, 136, 168, 186, 204, 217, 238, 248, 317, 357, 372, 408, 434, 476, 527, 634, 651, 714, 744, 868, 951, 952, 1054, 1268, 1302, 1428, 1581, 1736, 1902, 2108, 2219, 2536, 2604, 2856, 3162, 3689, 3804, 4216, 4438, 5208, 5389, 6324, 6657, 7378, 7608, 8876, 9827, 10778, 11067, 12648, 13314, 14756, 16167, 17752, 19654, 21556, 22134, 26628, 29481, 29512, 32334, 37723, 39308, 43112, 44268, 53256, 58962, 64668, 68789, 75446, 78616, 88536, 113169, 117924, 129336, 137578, 150892, 167059, 206367, 226338, 235848, 275156, 301784, 334118, 412734, 452676, 501177, 550312, 668236, 825468, 905352, 1002354, 1169413, 1336472, 1650936, 2004708, 2338826, 3508239, 4009416, 4677652, 7016478, 9355304, 14032956, 28065912]

約数ペア:

[(1, 28065912), (2, 14032956), (3, 9355304), (4, 7016478), (6, 4677652), (7, 4009416), (8, 3508239), (12, 2338826), (14, 2004708), (17, 1650936), (21, 1336472), (24, 1169413), (28, 1002354), (31, 905352), (34, 825468), (42, 668236), (51, 550312), (56, 501177), (62, 452676), (68, 412734), (84, 334118), (93, 301784), (102, 275156), (119, 235848), (124, 226338), (136, 206367), (168, 167059), (186, 150892), (204, 137578), (217, 129336), (238, 117924), (248, 113169), (317, 88536), (357, 78616), (372, 75446), (408, 68789), (434, 64668), (476, 58962), (527, 53256), (634, 44268), (651, 43112), (714, 39308), (744, 37723), (868, 32334), (951, 29512), (952, 29481), (1054, 26628), (1268, 22134), (1302, 21556), (1428, 19654), (1581, 17752), (1736, 16167), (1902, 14756), (2108, 13314), (2219, 12648), (2536, 11067), (2604, 10778), (2856, 9827), (3162, 8876), (3689, 7608), (3804, 7378), (4216, 6657), (4438, 6324), (5208, 5389)]