28759432

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 60984000

約数和(自身を除く): 32224568

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 59, 86, 104, 109, 118, 172, 218, 236, 344, 436, 472, 559, 767, 872, 1118, 1417, 1534, 2236, 2537, 2834, 3068, 4472, 4687, 5074, 5668, 6136, 6431, 9374, 10148, 11336, 12862, 18748, 20296, 25724, 32981, 37496, 51448, 60931, 65962, 83603, 121862, 131924, 167206, 243724, 263848, 276533, 334412, 487448, 553066, 668824, 1106132, 2212264, 3594929, 7189858, 14379716, 28759432]

約数ペア:

[(1, 28759432), (2, 14379716), (4, 7189858), (8, 3594929), (13, 2212264), (26, 1106132), (43, 668824), (52, 553066), (59, 487448), (86, 334412), (104, 276533), (109, 263848), (118, 243724), (172, 167206), (218, 131924), (236, 121862), (344, 83603), (436, 65962), (472, 60931), (559, 51448), (767, 37496), (872, 32981), (1118, 25724), (1417, 20296), (1534, 18748), (2236, 12862), (2537, 11336), (2834, 10148), (3068, 9374), (4472, 6431), (4687, 6136), (5074, 5668)]