208022090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{671039}}^1$

素因数の和:671077

約数の個数: 16

約数和(自身を含む): 386519040

約数和(自身を除く): 178496950

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 671039, 1342078, 3355195, 6710390, 20802209, 41604418, 104011045, 208022090]

約数ペア:

[(1, 208022090), (2, 104011045), (5, 41604418), (10, 20802209), (31, 6710390), (62, 3355195), (155, 1342078), (310, 671039)]