64817675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{71}}^1$

素因数の和:200

約数の個数: 36

約数和(自身を含む): 89463024

約数和(自身を除く): 24645349

約数列:

[1, 5, 13, 25, 53, 65, 71, 265, 325, 355, 689, 923, 1325, 1775, 2809, 3445, 3763, 4615, 14045, 17225, 18815, 23075, 36517, 48919, 70225, 94075, 182585, 199439, 244595, 912925, 997195, 1222975, 2592707, 4985975, 12963535, 64817675]

約数ペア:

[(1, 64817675), (5, 12963535), (13, 4985975), (25, 2592707), (53, 1222975), (65, 997195), (71, 912925), (265, 244595), (325, 199439), (355, 182585), (689, 94075), (923, 70225), (1325, 48919), (1775, 36517), (2809, 23075), (3445, 18815), (3763, 17225), (4615, 14045)]