320103478

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{20029}}^1$

素因数の和:20223

約数の個数: 16

約数和(自身を含む): 491776560

約数和(自身を除く): 171673082

約数列:

[1, 2, 61, 122, 131, 262, 7991, 15982, 20029, 40058, 1221769, 2443538, 2623799, 5247598, 160051739, 320103478]

約数ペア:

[(1, 320103478), (2, 160051739), (61, 5247598), (122, 2623799), (131, 2443538), (262, 1221769), (7991, 40058), (15982, 20029)]