13237679

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 17740800

約数和(自身を除く): 4503121

約数列:

[1, 7, 13, 17, 43, 91, 119, 199, 221, 301, 559, 731, 1393, 1547, 2587, 3383, 3913, 5117, 8557, 9503, 18109, 23681, 43979, 59899, 66521, 111241, 145469, 307853, 778687, 1018283, 1891097, 13237679]

約数ペア:

[(1, 13237679), (7, 1891097), (13, 1018283), (17, 778687), (43, 307853), (91, 145469), (119, 111241), (199, 66521), (221, 59899), (301, 43979), (559, 23681), (731, 18109), (1393, 9503), (1547, 8557), (2587, 5117), (3383, 3913)]