261373958

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{1021}}^1\times {\mathrm{4129}}^1$

素因数の和:5183

約数の個数: 16

約数和(自身を含む): 405202560

約数和(自身を除く): 143828602

約数列:

[1, 2, 31, 62, 1021, 2042, 4129, 8258, 31651, 63302, 127999, 255998, 4215709, 8431418, 130686979, 261373958]

約数ペア:

[(1, 261373958), (2, 130686979), (31, 8431418), (62, 4215709), (1021, 255998), (2042, 127999), (4129, 63302), (8258, 31651)]