28226225

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 36164352

約数和(自身を除く): 7938127

約数列:

[1, 5, 25, 61, 83, 223, 305, 415, 1115, 1525, 2075, 5063, 5575, 13603, 18509, 25315, 68015, 92545, 126575, 340075, 462725, 1129049, 5645245, 28226225]

約数ペア:

[(1, 28226225), (5, 5645245), (25, 1129049), (61, 462725), (83, 340075), (223, 126575), (305, 92545), (415, 68015), (1115, 25315), (1525, 18509), (2075, 13603), (5063, 5575)]