423367025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{21739}}^1$

素因数の和:21809

約数の個数: 24

約数和(自身を含む): 566109600

約数和(自身を除く): 142742575

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1025, 3895, 19475, 21739, 108695, 413041, 543475, 891299, 2065205, 4456495, 10326025, 16934681, 22282475, 84673405, 423367025]

約数ペア:

[(1, 423367025), (5, 84673405), (19, 22282475), (25, 16934681), (41, 10326025), (95, 4456495), (205, 2065205), (475, 891299), (779, 543475), (1025, 413041), (3895, 108695), (19475, 21739)]