199771390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{219529}}^1$

素因数の和:219556

約数の個数: 32

約数和(自身を含む): 442572480

約数和(自身を除く): 242801090

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 219529, 439058, 1097645, 1536703, 2195290, 2853877, 3073406, 5707754, 7683515, 14269385, 15367030, 19977139, 28538770, 39954278, 99885695, 199771390]

約数ペア:

[(1, 199771390), (2, 99885695), (5, 39954278), (7, 28538770), (10, 19977139), (13, 15367030), (14, 14269385), (26, 7683515), (35, 5707754), (65, 3073406), (70, 2853877), (91, 2195290), (130, 1536703), (182, 1097645), (455, 439058), (910, 219529)]