12719161

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 16773120

約数和(自身を除く): 4053959

約数列:

[1, 7, 13, 23, 59, 91, 103, 161, 299, 413, 721, 767, 1339, 1357, 2093, 2369, 5369, 6077, 9373, 9499, 16583, 17641, 30797, 42539, 79001, 123487, 139771, 215579, 553007, 978397, 1817023, 12719161]

約数ペア:

[(1, 12719161), (7, 1817023), (13, 978397), (23, 553007), (59, 215579), (91, 139771), (103, 123487), (161, 79001), (299, 42539), (413, 30797), (721, 17641), (767, 16583), (1339, 9499), (1357, 9373), (2093, 6077), (2369, 5369)]