12553775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1$

素因数の和:168

約数の個数: 36

約数和(自身を含む): 17858232

約数和(自身を除く): 5304457

約数列:

[1, 5, 13, 19, 25, 65, 95, 107, 247, 325, 361, 475, 535, 1235, 1391, 1805, 2033, 2675, 4693, 6175, 6955, 9025, 10165, 23465, 26429, 34775, 38627, 50825, 117325, 132145, 193135, 502151, 660725, 965675, 2510755, 12553775]

約数ペア:

[(1, 12553775), (5, 2510755), (13, 965675), (19, 660725), (25, 502151), (65, 193135), (95, 132145), (107, 117325), (247, 50825), (325, 38627), (361, 34775), (475, 26429), (535, 23465), (1235, 10165), (1391, 9025), (1805, 6955), (2033, 6175), (2675, 4693)]