28696525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 43747200

約数和(自身を除く): 15050675

約数列:

[1, 5, 11, 13, 23, 25, 55, 65, 115, 143, 253, 275, 299, 325, 349, 575, 715, 1265, 1495, 1745, 3289, 3575, 3839, 4537, 6325, 7475, 8027, 8725, 16445, 19195, 22685, 40135, 49907, 82225, 88297, 95975, 104351, 113425, 200675, 249535, 441485, 521755, 1147861, 1247675, 2207425, 2608775, 5739305, 28696525]

約数ペア:

[(1, 28696525), (5, 5739305), (11, 2608775), (13, 2207425), (23, 1247675), (25, 1147861), (55, 521755), (65, 441485), (115, 249535), (143, 200675), (253, 113425), (275, 104351), (299, 95975), (325, 88297), (349, 82225), (575, 49907), (715, 40135), (1265, 22685), (1495, 19195), (1745, 16445), (3289, 8725), (3575, 8027), (3839, 7475), (4537, 6325)]