211339975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1087}}^1$

素因数の和:1216

約数の個数: 48

約数和(自身を含む): 330264576

約数和(自身を除く): 118924601

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 101, 175, 275, 385, 505, 707, 1087, 1111, 1925, 2525, 3535, 5435, 5555, 7609, 7777, 11957, 17675, 27175, 27775, 38045, 38885, 59785, 83699, 109787, 190225, 194425, 298925, 418495, 548935, 768509, 1207657, 2092475, 2744675, 3842545, 6038285, 8453599, 19212725, 30191425, 42267995, 211339975]

約数ペア:

[(1, 211339975), (5, 42267995), (7, 30191425), (11, 19212725), (25, 8453599), (35, 6038285), (55, 3842545), (77, 2744675), (101, 2092475), (175, 1207657), (275, 768509), (385, 548935), (505, 418495), (707, 298925), (1087, 194425), (1111, 190225), (1925, 109787), (2525, 83699), (3535, 59785), (5435, 38885), (5555, 38045), (7609, 27775), (7777, 27175), (11957, 17675)]