64420447

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4397}}^1$

素因数の和:4447

約数の個数: 24

約数和(自身を含む): 84230496

約数和(自身を除く): 19810049

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 637, 1127, 2093, 4397, 14651, 30779, 57161, 101131, 215453, 400127, 707917, 1314703, 2800889, 4955419, 9202921, 64420447]

約数ペア:

[(1, 64420447), (7, 9202921), (13, 4955419), (23, 2800889), (49, 1314703), (91, 707917), (161, 400127), (299, 215453), (637, 101131), (1127, 57161), (2093, 30779), (4397, 14651)]