81172012

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{654613}}^1$

素因数の和:654648

約数の個数: 12

約数和(自身を含む): 146633536

約数和(自身を除く): 65461524

約数列:

[1, 2, 4, 31, 62, 124, 654613, 1309226, 2618452, 20293003, 40586006, 81172012]

約数ペア:

[(1, 81172012), (2, 40586006), (4, 20293003), (31, 2618452), (62, 1309226), (124, 654613)]