201781970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1552169}}^1$

素因数の和:1552189

約数の個数: 16

約数和(自身を含む): 391146840

約数和(自身を除く): 189364870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1552169, 3104338, 7760845, 15521690, 20178197, 40356394, 100890985, 201781970]

約数ペア:

[(1, 201781970), (2, 100890985), (5, 40356394), (10, 20178197), (13, 15521690), (26, 7760845), (65, 3104338), (130, 1552169)]