28510846

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 56448000

約数和(自身を除く): 27937154

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 49, 91, 98, 139, 161, 182, 278, 299, 322, 343, 598, 637, 686, 973, 1127, 1274, 1807, 1946, 2093, 2254, 3197, 3614, 4186, 4459, 6394, 6811, 7889, 8918, 12649, 13622, 14651, 15778, 22379, 25298, 29302, 41561, 44758, 47677, 83122, 88543, 95354, 102557, 156653, 177086, 205114, 290927, 313306, 581854, 619801, 1096571, 1239602, 2036489, 2193142, 4072978, 14255423, 28510846]

約数ペア:

[(1, 28510846), (2, 14255423), (7, 4072978), (13, 2193142), (14, 2036489), (23, 1239602), (26, 1096571), (46, 619801), (49, 581854), (91, 313306), (98, 290927), (139, 205114), (161, 177086), (182, 156653), (278, 102557), (299, 95354), (322, 88543), (343, 83122), (598, 47677), (637, 44758), (686, 41561), (973, 29302), (1127, 25298), (1274, 22379), (1807, 15778), (1946, 14651), (2093, 13622), (2254, 12649), (3197, 8918), (3614, 7889), (4186, 6811), (4459, 6394)]