28904808

素因数分解:

$2^3\times 3^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 74520000

約数和(自身を除く): 45615192

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 59, 118, 137, 149, 177, 236, 274, 298, 354, 411, 447, 472, 548, 596, 708, 822, 894, 1096, 1192, 1416, 1644, 1788, 3288, 3576, 8083, 8791, 16166, 17582, 20413, 24249, 26373, 32332, 35164, 40826, 48498, 52746, 61239, 64664, 70328, 81652, 96996, 105492, 122478, 163304, 193992, 210984, 244956, 489912, 1204367, 2408734, 3613101, 4817468, 7226202, 9634936, 14452404, 28904808]

約数ペア:

[(1, 28904808), (2, 14452404), (3, 9634936), (4, 7226202), (6, 4817468), (8, 3613101), (12, 2408734), (24, 1204367), (59, 489912), (118, 244956), (137, 210984), (149, 193992), (177, 163304), (236, 122478), (274, 105492), (298, 96996), (354, 81652), (411, 70328), (447, 64664), (472, 61239), (548, 52746), (596, 48498), (708, 40826), (822, 35164), (894, 32332), (1096, 26373), (1192, 24249), (1416, 20413), (1644, 17582), (1788, 16166), (3288, 8791), (3576, 8083)]