309995425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{653}}^1\times {\mathrm{1117}}^1$

素因数の和:1797

約数の個数: 24

約数和(自身を含む): 407993976

約数和(自身を除く): 97998551

約数列:

[1, 5, 17, 25, 85, 425, 653, 1117, 3265, 5585, 11101, 16325, 18989, 27925, 55505, 94945, 277525, 474725, 729401, 3647005, 12399817, 18235025, 61999085, 309995425]

約数ペア:

[(1, 309995425), (5, 61999085), (17, 18235025), (25, 12399817), (85, 3647005), (425, 729401), (653, 474725), (1117, 277525), (3265, 94945), (5585, 55505), (11101, 27925), (16325, 18989)]