28985992

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 65433600

約数和(自身を除く): 36447608

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 59, 62, 118, 124, 217, 236, 248, 283, 413, 434, 472, 566, 826, 868, 1132, 1652, 1736, 1829, 1981, 2264, 3304, 3658, 3962, 7316, 7924, 8773, 12803, 14632, 15848, 16697, 17546, 25606, 33394, 35092, 51212, 61411, 66788, 70184, 102424, 116879, 122822, 133576, 233758, 245644, 467516, 491288, 517607, 935032, 1035214, 2070428, 3623249, 4140856, 7246498, 14492996, 28985992]

約数ペア:

[(1, 28985992), (2, 14492996), (4, 7246498), (7, 4140856), (8, 3623249), (14, 2070428), (28, 1035214), (31, 935032), (56, 517607), (59, 491288), (62, 467516), (118, 245644), (124, 233758), (217, 133576), (236, 122822), (248, 116879), (283, 102424), (413, 70184), (434, 66788), (472, 61411), (566, 51212), (826, 35092), (868, 33394), (1132, 25606), (1652, 17546), (1736, 16697), (1829, 15848), (1981, 14632), (2264, 12803), (3304, 8773), (3658, 7924), (3962, 7316)]