42666325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2477}}^1$

素因数の和:2553

約数の個数: 24

約数和(自身を含む): 58074408

約数和(自身を除く): 15408083

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 689, 1325, 2477, 3445, 12385, 17225, 32201, 61925, 131281, 161005, 656405, 805025, 1706653, 3282025, 8533265, 42666325]

約数ペア:

[(1, 42666325), (5, 8533265), (13, 3282025), (25, 1706653), (53, 805025), (65, 656405), (265, 161005), (325, 131281), (689, 61925), (1325, 32201), (2477, 17225), (3445, 12385)]