128972306

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{42509}}^1$

素因数の和:42589

約数の個数: 16

約数和(自身を含む): 203537880

約数和(自身を除く): 74565574

約数列:

[1, 2, 37, 41, 74, 82, 1517, 3034, 42509, 85018, 1572833, 1742869, 3145666, 3485738, 64486153, 128972306]

約数ペア:

[(1, 128972306), (2, 64486153), (37, 3485738), (41, 3145666), (74, 1742869), (82, 1572833), (1517, 85018), (3034, 42509)]