64678885

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1\times {\mathrm{607}}^1$

素因数の和:924

約数の個数: 16

約数和(自身を含む): 78884352

約数和(自身を除く): 14205467

約数列:

[1, 5, 101, 211, 505, 607, 1055, 3035, 21311, 61307, 106555, 128077, 306535, 640385, 12935777, 64678885]

約数ペア:

[(1, 64678885), (5, 12935777), (101, 640385), (211, 306535), (505, 128077), (607, 106555), (1055, 61307), (3035, 21311)]