7439225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 9880320

約数和(自身を除く): 2441095

約数列:

[1, 5, 25, 29, 31, 145, 155, 331, 725, 775, 899, 1655, 4495, 8275, 9599, 10261, 22475, 47995, 51305, 239975, 256525, 297569, 1487845, 7439225]

約数ペア:

[(1, 7439225), (5, 1487845), (25, 297569), (29, 256525), (31, 239975), (145, 51305), (155, 47995), (331, 22475), (725, 10261), (775, 9599), (899, 8275), (1655, 4495)]