38720276

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19477}}^1$

素因数の和:19559

約数の個数: 24

約数和(自身を含む): 78535296

約数和(自身を除く): 39815020

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 19477, 38954, 77908, 136339, 272678, 545356, 1382867, 2765734, 5531468, 9680069, 19360138, 38720276]

約数ペア:

[(1, 38720276), (2, 19360138), (4, 9680069), (7, 5531468), (14, 2765734), (28, 1382867), (71, 545356), (142, 272678), (284, 136339), (497, 77908), (994, 38954), (1988, 19477)]