128969575

素因数分解:

$5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12491}}^1$

素因数の和:12567

約数の個数: 24

約数和(自身を含む): 185880960

約数和(自身を除く): 56911385

約数列:

[1, 5, 7, 25, 35, 59, 175, 295, 413, 1475, 2065, 10325, 12491, 62455, 87437, 312275, 437185, 736969, 2185925, 3684845, 5158783, 18424225, 25793915, 128969575]

約数ペア:

[(1, 128969575), (5, 25793915), (7, 18424225), (25, 5158783), (35, 3684845), (59, 2185925), (175, 736969), (295, 437185), (413, 312275), (1475, 87437), (2065, 62455), (10325, 12491)]