131149616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{1871}}^1$

素因数の和:2229

約数の個数: 40

約数和(自身を含む): 274607424

約数和(自身を除く): 143457808

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 337, 674, 1348, 1871, 2696, 3742, 4381, 5392, 7484, 8762, 14968, 17524, 24323, 29936, 35048, 48646, 70096, 97292, 194584, 389168, 630527, 1261054, 2522108, 5044216, 8196851, 10088432, 16393702, 32787404, 65574808, 131149616]

約数ペア:

[(1, 131149616), (2, 65574808), (4, 32787404), (8, 16393702), (13, 10088432), (16, 8196851), (26, 5044216), (52, 2522108), (104, 1261054), (208, 630527), (337, 389168), (674, 194584), (1348, 97292), (1871, 70096), (2696, 48646), (3742, 35048), (4381, 29936), (5392, 24323), (7484, 17524), (8762, 14968)]