128385166

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 252241920

約数和(自身を除く): 123856754

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 137, 182, 247, 266, 271, 274, 494, 542, 959, 1729, 1781, 1897, 1918, 2603, 3458, 3523, 3562, 3794, 5149, 5206, 7046, 10298, 12467, 18221, 24661, 24934, 33839, 36043, 36442, 37127, 49322, 66937, 67678, 72086, 74254, 133874, 236873, 259889, 468559, 473746, 482651, 519778, 705413, 937118, 965302, 1410826, 3378557, 4937891, 6757114, 9170369, 9875782, 18340738, 64192583, 128385166]

約数ペア:

[(1, 128385166), (2, 64192583), (7, 18340738), (13, 9875782), (14, 9170369), (19, 6757114), (26, 4937891), (38, 3378557), (91, 1410826), (133, 965302), (137, 937118), (182, 705413), (247, 519778), (266, 482651), (271, 473746), (274, 468559), (494, 259889), (542, 236873), (959, 133874), (1729, 74254), (1781, 72086), (1897, 67678), (1918, 66937), (2603, 49322), (3458, 37127), (3523, 36442), (3562, 36043), (3794, 33839), (5149, 24934), (5206, 24661), (7046, 18221), (10298, 12467)]