201981130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1553701}}^1$

素因数の和:1553721

約数の個数: 16

約数和(自身を含む): 391532904

約数和(自身を除く): 189551774

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1553701, 3107402, 7768505, 15537010, 20198113, 40396226, 100990565, 201981130]

約数ペア:

[(1, 201981130), (2, 100990565), (5, 40396226), (10, 20198113), (13, 15537010), (26, 7768505), (65, 3107402), (130, 1553701)]