408067225

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{241}}^1\times {\mathrm{761}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 514487160

約数和(自身を除く): 106419935

約数列:

[1, 5, 25, 89, 241, 445, 761, 1205, 2225, 3805, 6025, 19025, 21449, 67729, 107245, 183401, 338645, 536225, 917005, 1693225, 4585025, 16322689, 81613445, 408067225]

約数ペア:

[(1, 408067225), (5, 81613445), (25, 16322689), (89, 4585025), (241, 1693225), (445, 917005), (761, 536225), (1205, 338645), (2225, 183401), (3805, 107245), (6025, 67729), (19025, 21449)]