128474992

素因数分解:

$2^4\times {\mathrm{613}}^1\times {\mathrm{13099}}^1$

素因数の和:13720

約数の個数: 20

約数和(自身を含む): 249345400

約数和(自身を除く): 120870408

約数列:

[1, 2, 4, 8, 16, 613, 1226, 2452, 4904, 9808, 13099, 26198, 52396, 104792, 209584, 8029687, 16059374, 32118748, 64237496, 128474992]

約数ペア:

[(1, 128474992), (2, 64237496), (4, 32118748), (8, 16059374), (16, 8029687), (613, 209584), (1226, 104792), (2452, 52396), (4904, 26198), (9808, 13099)]