25729496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 56700000

約数和(自身を除く): 30970504

約数列:

[1, 2, 4, 8, 13, 19, 26, 29, 38, 52, 58, 76, 104, 116, 152, 232, 247, 377, 449, 494, 551, 754, 898, 988, 1102, 1508, 1796, 1976, 2204, 3016, 3592, 4408, 5837, 7163, 8531, 11674, 13021, 14326, 17062, 23348, 26042, 28652, 34124, 46696, 52084, 57304, 68248, 104168, 110903, 169273, 221806, 247399, 338546, 443612, 494798, 677092, 887224, 989596, 1354184, 1979192, 3216187, 6432374, 12864748, 25729496]

約数ペア:

[(1, 25729496), (2, 12864748), (4, 6432374), (8, 3216187), (13, 1979192), (19, 1354184), (26, 989596), (29, 887224), (38, 677092), (52, 494798), (58, 443612), (76, 338546), (104, 247399), (116, 221806), (152, 169273), (232, 110903), (247, 104168), (377, 68248), (449, 57304), (494, 52084), (551, 46696), (754, 34124), (898, 28652), (988, 26042), (1102, 23348), (1508, 17062), (1796, 14326), (1976, 13021), (2204, 11674), (3016, 8531), (3592, 7163), (4408, 5837)]