28478305

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{587}}^1$

素因数の和:936

約数の個数: 16

約数和(自身を含む): 35449344

約数和(自身を除く): 6971039

約数列:

[1, 5, 31, 155, 313, 587, 1565, 2935, 9703, 18197, 48515, 90985, 183731, 918655, 5695661, 28478305]

約数ペア:

[(1, 28478305), (5, 5695661), (31, 918655), (155, 183731), (313, 90985), (587, 48515), (1565, 18197), (2935, 9703)]