28250075

素因数分解:

$5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1481}}^1$

素因数の和:1607

約数の個数: 24

約数和(自身を含む): 40428960

約数和(自身を除く): 12178885

約数列:

[1, 5, 7, 25, 35, 109, 175, 545, 763, 1481, 2725, 3815, 7405, 10367, 19075, 37025, 51835, 161429, 259175, 807145, 1130003, 4035725, 5650015, 28250075]

約数ペア:

[(1, 28250075), (5, 5650015), (7, 4035725), (25, 1130003), (35, 807145), (109, 259175), (175, 161429), (545, 51835), (763, 37025), (1481, 19075), (2725, 10367), (3815, 7405)]