207780170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1598309}}^1$

素因数の和:1598329

約数の個数: 16

約数和(自身を含む): 402774120

約数和(自身を除く): 194993950

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1598309, 3196618, 7991545, 15983090, 20778017, 41556034, 103890085, 207780170]

約数ペア:

[(1, 207780170), (2, 103890085), (5, 41556034), (10, 20778017), (13, 15983090), (26, 7991545), (65, 3196618), (130, 1598309)]