208537930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{672703}}^1$

素因数の和:672741

約数の個数: 16

約数和(自身を含む): 387477504

約数和(自身を除く): 178939574

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 672703, 1345406, 3363515, 6727030, 20853793, 41707586, 104268965, 208537930]

約数ペア:

[(1, 208537930), (2, 104268965), (5, 41707586), (10, 20853793), (31, 6727030), (62, 3363515), (155, 1345406), (310, 672703)]