218809175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{12703}}^1$

素因数の和:12779

約数の個数: 24

約数和(自身を含む): 297730944

約数和(自身を除く): 78921769

約数列:

[1, 5, 13, 25, 53, 65, 265, 325, 689, 1325, 3445, 12703, 17225, 63515, 165139, 317575, 673259, 825695, 3366295, 4128475, 8752367, 16831475, 43761835, 218809175]

約数ペア:

[(1, 218809175), (5, 43761835), (13, 16831475), (25, 8752367), (53, 4128475), (65, 3366295), (265, 825695), (325, 673259), (689, 317575), (1325, 165139), (3445, 63515), (12703, 17225)]