156985994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^2$

素因数の和:1150

約数の個数: 24

約数和(自身を含む): 268537248

約数和(自身を除く): 111551254

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 557, 1114, 6127, 12254, 12811, 25622, 140921, 281842, 310249, 620498, 3412739, 6825478, 7135727, 14271454, 78492997, 156985994]

約数ペア:

[(1, 156985994), (2, 78492997), (11, 14271454), (22, 7135727), (23, 6825478), (46, 3412739), (253, 620498), (506, 310249), (557, 281842), (1114, 140921), (6127, 25622), (12254, 12811)]