28711475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{167}}^1$

素因数の和:236

約数の個数: 36

約数和(自身を含む): 40320336

約数和(自身を除く): 11608861

約数列:

[1, 5, 13, 23, 25, 65, 115, 167, 299, 325, 529, 575, 835, 1495, 2171, 2645, 3841, 4175, 6877, 7475, 10855, 13225, 19205, 34385, 49933, 54275, 88343, 96025, 171925, 249665, 441715, 1148459, 1248325, 2208575, 5742295, 28711475]

約数ペア:

[(1, 28711475), (5, 5742295), (13, 2208575), (23, 1248325), (25, 1148459), (65, 441715), (115, 249665), (167, 171925), (299, 96025), (325, 88343), (529, 54275), (575, 49933), (835, 34385), (1495, 19205), (2171, 13225), (2645, 10855), (3841, 7475), (4175, 6877)]