51978823

素因数分解:

${\mathrm{13}}^3\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:499

約数の個数: 16

約数和(自身を含む): 57405600

約数和(自身を除く): 5426777

約数列:

[1, 13, 59, 169, 401, 767, 2197, 5213, 9971, 23659, 67769, 129623, 307567, 880997, 3998371, 51978823]

約数ペア:

[(1, 51978823), (13, 3998371), (59, 880997), (169, 307567), (401, 129623), (767, 67769), (2197, 23659), (5213, 9971)]