221410525

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{40813}}^1$

素因数の和:40861

約数の個数: 24

約数和(自身を含む): 323899904

約数和(自身を除く): 102489379

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5425, 40813, 204065, 285691, 1020325, 1265203, 1428455, 6326015, 7142275, 8856421, 31630075, 44282105, 221410525]

約数ペア:

[(1, 221410525), (5, 44282105), (7, 31630075), (25, 8856421), (31, 7142275), (35, 6326015), (155, 1428455), (175, 1265203), (217, 1020325), (775, 285691), (1085, 204065), (5425, 40813)]