25231031

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 31696560

約数和(自身を除く): 6465529

約数列:

[1, 7, 19, 41, 49, 133, 287, 661, 779, 931, 2009, 4627, 5453, 12559, 27101, 32389, 38171, 87913, 189707, 514919, 615391, 1327949, 3604433, 25231031]

約数ペア:

[(1, 25231031), (7, 3604433), (19, 1327949), (41, 615391), (49, 514919), (133, 189707), (287, 87913), (661, 38171), (779, 32389), (931, 27101), (2009, 12559), (4627, 5453)]