13238953

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:102

約数の個数: 36

約数和(自身を含む): 17849088

約数和(自身を除く): 4610135

約数列:

[1, 7, 13, 19, 31, 91, 133, 169, 217, 247, 361, 403, 589, 1183, 1729, 2527, 2821, 3211, 4123, 4693, 5239, 7657, 11191, 22477, 32851, 36673, 53599, 61009, 78337, 99541, 145483, 427063, 696787, 1018381, 1891279, 13238953]

約数ペア:

[(1, 13238953), (7, 1891279), (13, 1018381), (19, 696787), (31, 427063), (91, 145483), (133, 99541), (169, 78337), (217, 61009), (247, 53599), (361, 36673), (403, 32851), (589, 22477), (1183, 11191), (1729, 7657), (2527, 5239), (2821, 4693), (3211, 4123)]