218980990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{465917}}^1$

素因数の和:465971

約数の個数: 16

約数和(自身を含む): 402553152

約数和(自身を除く): 183572162

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 465917, 931834, 2329585, 4659170, 21898099, 43796198, 109490495, 218980990]

約数ペア:

[(1, 218980990), (2, 109490495), (5, 43796198), (10, 21898099), (47, 4659170), (94, 2329585), (235, 931834), (470, 465917)]