220320898

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{257987}}^1$

素因数の和:258057

約数の個数: 16

約数和(自身を含む): 383886144

約数和(自身を除く): 163565246

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 257987, 515974, 1805909, 3611818, 15737207, 31474414, 110160449, 220320898]

約数ペア:

[(1, 220320898), (2, 110160449), (7, 31474414), (14, 15737207), (61, 3611818), (122, 1805909), (427, 515974), (854, 257987)]