161988082

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{271}}^1\times {\mathrm{311}}^1$

素因数の和:646

約数の個数: 24

約数和(自身を含む): 252809856

約数和(自身を除く): 90821774

約数列:

[1, 2, 31, 62, 271, 311, 542, 622, 961, 1922, 8401, 9641, 16802, 19282, 84281, 168562, 260431, 298871, 520862, 597742, 2612711, 5225422, 80994041, 161988082]

約数ペア:

[(1, 161988082), (2, 80994041), (31, 5225422), (62, 2612711), (271, 597742), (311, 520862), (542, 298871), (622, 260431), (961, 168562), (1922, 84281), (8401, 19282), (9641, 16802)]