287990170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2215309}}^1$

素因数の和:2215329

約数の個数: 16

約数和(自身を含む): 558258120

約数和(自身を除く): 270267950

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2215309, 4430618, 11076545, 22153090, 28799017, 57598034, 143995085, 287990170]

約数ペア:

[(1, 287990170), (2, 143995085), (5, 57598034), (10, 28799017), (13, 22153090), (26, 11076545), (65, 4430618), (130, 2215309)]