257959142

素因数分解:

$2^1\times 7^1\times {\mathrm{853}}^1\times {\mathrm{21601}}^1$

素因数の和:22463

約数の個数: 16

約数和(自身を含む): 442754592

約数和(自身を除く): 184795450

約数列:

[1, 2, 7, 14, 853, 1706, 5971, 11942, 21601, 43202, 151207, 302414, 18425653, 36851306, 128979571, 257959142]

約数ペア:

[(1, 257959142), (2, 128979571), (7, 36851306), (14, 18425653), (853, 302414), (1706, 151207), (5971, 43202), (11942, 21601)]