257152130

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{4583}}^1$

素因数の和:4802

約数の個数: 32

約数和(自身を含む): 480549888

約数和(自身を除く): 223397758

約数列:

[1, 2, 5, 10, 31, 62, 155, 181, 310, 362, 905, 1810, 4583, 5611, 9166, 11222, 22915, 28055, 45830, 56110, 142073, 284146, 710365, 829523, 1420730, 1659046, 4147615, 8295230, 25715213, 51430426, 128576065, 257152130]

約数ペア:

[(1, 257152130), (2, 128576065), (5, 51430426), (10, 25715213), (31, 8295230), (62, 4147615), (155, 1659046), (181, 1420730), (310, 829523), (362, 710365), (905, 284146), (1810, 142073), (4583, 56110), (5611, 45830), (9166, 28055), (11222, 22915)]