128580136

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{38177}}^1$

素因数の和:38604

約数の個数: 16

約数和(自身を含む): 241666740

約数和(自身を除く): 113086604

約数列:

[1, 2, 4, 8, 421, 842, 1684, 3368, 38177, 76354, 152708, 305416, 16072517, 32145034, 64290068, 128580136]

約数ペア:

[(1, 128580136), (2, 64290068), (4, 32145034), (8, 16072517), (421, 305416), (842, 152708), (1684, 76354), (3368, 38177)]