25188135

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 64

約数和(自身を含む): 49600512

約数和(自身を除く): 24412377

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 103, 105, 119, 137, 255, 309, 357, 411, 515, 595, 685, 721, 959, 1545, 1751, 1785, 2055, 2163, 2329, 2877, 3605, 4795, 5253, 6987, 8755, 10815, 11645, 12257, 14111, 14385, 16303, 26265, 34935, 36771, 42333, 48909, 61285, 70555, 81515, 98777, 183855, 211665, 239887, 244545, 296331, 493885, 719661, 1199435, 1481655, 1679209, 3598305, 5037627, 8396045, 25188135]

約数ペア:

[(1, 25188135), (3, 8396045), (5, 5037627), (7, 3598305), (15, 1679209), (17, 1481655), (21, 1199435), (35, 719661), (51, 493885), (85, 296331), (103, 244545), (105, 239887), (119, 211665), (137, 183855), (255, 98777), (309, 81515), (357, 70555), (411, 61285), (515, 48909), (595, 42333), (685, 36771), (721, 34935), (959, 26265), (1545, 16303), (1751, 14385), (1785, 14111), (2055, 12257), (2163, 11645), (2329, 10815), (2877, 8755), (3605, 6987), (4795, 5253)]