64636831

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{691}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 79519104

約数和(自身を除く): 14882273

約数列:

[1, 7, 23, 49, 83, 161, 581, 691, 1127, 1909, 4067, 4837, 13363, 15893, 33859, 57353, 93541, 111251, 401471, 778757, 1319119, 2810297, 9233833, 64636831]

約数ペア:

[(1, 64636831), (7, 9233833), (23, 2810297), (49, 1319119), (83, 778757), (161, 401471), (581, 111251), (691, 93541), (1127, 57353), (1909, 33859), (4067, 15893), (4837, 13363)]