190311498

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:509

約数の個数: 128

約数和(自身を含む): 496419840

約数和(自身を除く): 306108342

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 34, 37, 39, 51, 54, 74, 78, 102, 111, 117, 153, 221, 222, 234, 306, 333, 351, 431, 442, 459, 481, 629, 663, 666, 702, 862, 918, 962, 999, 1258, 1293, 1326, 1443, 1887, 1989, 1998, 2586, 2886, 3774, 3879, 3978, 4329, 5603, 5661, 5967, 7327, 7758, 8177, 8658, 11206, 11322, 11637, 11934, 12987, 14654, 15947, 16354, 16809, 16983, 21981, 23274, 24531, 25974, 31894, 33618, 33966, 43962, 47841, 49062, 50427, 65943, 73593, 95251, 95682, 100854, 131886, 143523, 147186, 151281, 190502, 197829, 207311, 220779, 271099, 285753, 287046, 302562, 395658, 414622, 430569, 441558, 542198, 571506, 621933, 813297, 857259, 861138, 1243866, 1626594, 1714518, 1865799, 2439891, 2571777, 3524287, 3731598, 4879782, 5143554, 5597397, 7048574, 7319673, 10572861, 11194794, 14639346, 21145722, 31718583, 63437166, 95155749, 190311498]

約数ペア:

[(1, 190311498), (2, 95155749), (3, 63437166), (6, 31718583), (9, 21145722), (13, 14639346), (17, 11194794), (18, 10572861), (26, 7319673), (27, 7048574), (34, 5597397), (37, 5143554), (39, 4879782), (51, 3731598), (54, 3524287), (74, 2571777), (78, 2439891), (102, 1865799), (111, 1714518), (117, 1626594), (153, 1243866), (221, 861138), (222, 857259), (234, 813297), (306, 621933), (333, 571506), (351, 542198), (431, 441558), (442, 430569), (459, 414622), (481, 395658), (629, 302562), (663, 287046), (666, 285753), (702, 271099), (862, 220779), (918, 207311), (962, 197829), (999, 190502), (1258, 151281), (1293, 147186), (1326, 143523), (1443, 131886), (1887, 100854), (1989, 95682), (1998, 95251), (2586, 73593), (2886, 65943), (3774, 50427), (3879, 49062), (3978, 47841), (4329, 43962), (5603, 33966), (5661, 33618), (5967, 31894), (7327, 25974), (7758, 24531), (8177, 23274), (8658, 21981), (11206, 16983), (11322, 16809), (11637, 16354), (11934, 15947), (12987, 14654)]