28231175

素因数分解:

$5^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{457}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 40208736

約数和(自身を除く): 11977561

約数列:

[1, 5, 7, 25, 35, 175, 353, 457, 1765, 2285, 2471, 3199, 8825, 11425, 12355, 15995, 61775, 79975, 161321, 806605, 1129247, 4033025, 5646235, 28231175]

約数ペア:

[(1, 28231175), (5, 5646235), (7, 4033025), (25, 1129247), (35, 806605), (175, 161321), (353, 79975), (457, 61775), (1765, 15995), (2285, 12355), (2471, 11425), (3199, 8825)]