28221588

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 76876800

約数和(自身を除く): 48655212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 59, 86, 103, 108, 118, 129, 172, 177, 206, 236, 258, 309, 354, 387, 412, 516, 531, 618, 708, 774, 927, 1062, 1161, 1236, 1548, 1593, 1854, 2124, 2322, 2537, 2781, 3186, 3708, 4429, 4644, 5074, 5562, 6077, 6372, 7611, 8858, 10148, 11124, 12154, 13287, 15222, 17716, 18231, 22833, 24308, 26574, 30444, 36462, 39861, 45666, 53148, 54693, 68499, 72924, 79722, 91332, 109386, 119583, 136998, 159444, 164079, 218772, 239166, 261311, 273996, 328158, 478332, 522622, 656316, 783933, 1045244, 1567866, 2351799, 3135732, 4703598, 7055397, 9407196, 14110794, 28221588]

約数ペア:

[(1, 28221588), (2, 14110794), (3, 9407196), (4, 7055397), (6, 4703598), (9, 3135732), (12, 2351799), (18, 1567866), (27, 1045244), (36, 783933), (43, 656316), (54, 522622), (59, 478332), (86, 328158), (103, 273996), (108, 261311), (118, 239166), (129, 218772), (172, 164079), (177, 159444), (206, 136998), (236, 119583), (258, 109386), (309, 91332), (354, 79722), (387, 72924), (412, 68499), (516, 54693), (531, 53148), (618, 45666), (708, 39861), (774, 36462), (927, 30444), (1062, 26574), (1161, 24308), (1236, 22833), (1548, 18231), (1593, 17716), (1854, 15222), (2124, 13287), (2322, 12154), (2537, 11124), (2781, 10148), (3186, 8858), (3708, 7611), (4429, 6372), (4644, 6077), (5074, 5562)]