557172455

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{13879}}^1$

素因数の和:13959

約数の個数: 32

約数和(自身を含む): 810147840

約数和(自身を除く): 252975385

約数列:

[1, 5, 7, 31, 35, 37, 155, 185, 217, 259, 1085, 1147, 1295, 5735, 8029, 13879, 40145, 69395, 97153, 430249, 485765, 513523, 2151245, 2567615, 3011743, 3594661, 15058715, 15919213, 17973305, 79596065, 111434491, 557172455]

約数ペア:

[(1, 557172455), (5, 111434491), (7, 79596065), (31, 17973305), (35, 15919213), (37, 15058715), (155, 3594661), (185, 3011743), (217, 2567615), (259, 2151245), (1085, 513523), (1147, 485765), (1295, 430249), (5735, 97153), (8029, 69395), (13879, 40145)]