28171026

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{919}}^1$

素因数の和:1071

約数の個数: 48

約数和(自身を含む): 66306240

約数和(自身を除く): 38135214

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 131, 234, 262, 393, 786, 919, 1179, 1703, 1838, 2358, 2757, 3406, 5109, 5514, 8271, 10218, 11947, 15327, 16542, 23894, 30654, 35841, 71682, 107523, 120389, 215046, 240778, 361167, 722334, 1083501, 1565057, 2167002, 3130114, 4695171, 9390342, 14085513, 28171026]

約数ペア:

[(1, 28171026), (2, 14085513), (3, 9390342), (6, 4695171), (9, 3130114), (13, 2167002), (18, 1565057), (26, 1083501), (39, 722334), (78, 361167), (117, 240778), (131, 215046), (234, 120389), (262, 107523), (393, 71682), (786, 35841), (919, 30654), (1179, 23894), (1703, 16542), (1838, 15327), (2358, 11947), (2757, 10218), (3406, 8271), (5109, 5514)]