28180865

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{179}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 36469440

約数和(自身を除く): 8288575

約数列:

[1, 5, 23, 37, 115, 179, 185, 851, 895, 1369, 4117, 4255, 6623, 6845, 20585, 31487, 33115, 152329, 157435, 245051, 761645, 1225255, 5636173, 28180865]

約数ペア:

[(1, 28180865), (5, 5636173), (23, 1225255), (37, 761645), (115, 245051), (179, 157435), (185, 152329), (851, 33115), (895, 31487), (1369, 20585), (4117, 6845), (4255, 6623)]