16687489

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 23442048

約数和(自身を除く): 6754559

約数列:

[1, 7, 13, 17, 23, 49, 67, 91, 119, 161, 221, 299, 391, 469, 637, 833, 871, 1127, 1139, 1541, 1547, 2093, 2737, 3283, 5083, 6097, 7973, 10787, 10829, 14651, 14807, 19159, 20033, 26197, 35581, 42679, 55811, 75509, 103649, 140231, 183379, 249067, 340561, 725543, 981617, 1283653, 2383927, 16687489]

約数ペア:

[(1, 16687489), (7, 2383927), (13, 1283653), (17, 981617), (23, 725543), (49, 340561), (67, 249067), (91, 183379), (119, 140231), (161, 103649), (221, 75509), (299, 55811), (391, 42679), (469, 35581), (637, 26197), (833, 20033), (871, 19159), (1127, 14807), (1139, 14651), (1541, 10829), (1547, 10787), (2093, 7973), (2737, 6097), (3283, 5083)]