28245245

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1283}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 42156288

約数和(自身を除く): 13911043

約数列:

[1, 5, 7, 17, 35, 37, 85, 119, 185, 259, 595, 629, 1283, 1295, 3145, 4403, 6415, 8981, 21811, 22015, 44905, 47471, 109055, 152677, 237355, 332297, 763385, 807007, 1661485, 4035035, 5649049, 28245245]

約数ペア:

[(1, 28245245), (5, 5649049), (7, 4035035), (17, 1661485), (35, 807007), (37, 763385), (85, 332297), (119, 237355), (185, 152677), (259, 109055), (595, 47471), (629, 44905), (1283, 22015), (1295, 21811), (3145, 8981), (4403, 6415)]