28566664

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 66648960

約数和(自身を除く): 38082296

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 37, 56, 68, 74, 119, 136, 148, 238, 259, 296, 476, 518, 629, 811, 952, 1036, 1258, 1622, 2072, 2516, 3244, 4403, 5032, 5677, 6488, 8806, 11354, 13787, 17612, 22708, 27574, 30007, 35224, 45416, 55148, 60014, 96509, 110296, 120028, 193018, 210049, 240056, 386036, 420098, 510119, 772072, 840196, 1020238, 1680392, 2040476, 3570833, 4080952, 7141666, 14283332, 28566664]

約数ペア:

[(1, 28566664), (2, 14283332), (4, 7141666), (7, 4080952), (8, 3570833), (14, 2040476), (17, 1680392), (28, 1020238), (34, 840196), (37, 772072), (56, 510119), (68, 420098), (74, 386036), (119, 240056), (136, 210049), (148, 193018), (238, 120028), (259, 110296), (296, 96509), (476, 60014), (518, 55148), (629, 45416), (811, 35224), (952, 30007), (1036, 27574), (1258, 22708), (1622, 17612), (2072, 13787), (2516, 11354), (3244, 8806), (4403, 6488), (5032, 5677)]