858348725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{39419}}^1$

素因数の和:39509

約数の個数: 24

約数和(自身を含む): 1163363040

約数和(自身を除く): 305014315

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 871, 1675, 4355, 21775, 39419, 197095, 512447, 985475, 2562235, 2641073, 12811175, 13205365, 34333949, 66026825, 171669745, 858348725]

約数ペア:

[(1, 858348725), (5, 171669745), (13, 66026825), (25, 34333949), (65, 13205365), (67, 12811175), (325, 2641073), (335, 2562235), (871, 985475), (1675, 512447), (4355, 197095), (21775, 39419)]