15955478

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:106

約数の個数: 72

約数和(自身を含む): 32836104

約数和(自身を除く): 16880626

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 41, 49, 77, 82, 98, 133, 154, 209, 266, 287, 361, 418, 451, 539, 574, 722, 779, 902, 931, 1078, 1463, 1558, 1862, 2009, 2527, 2926, 3157, 3971, 4018, 5054, 5453, 6314, 7942, 8569, 10241, 10906, 14801, 17138, 17689, 20482, 22099, 27797, 29602, 35378, 38171, 44198, 55594, 59983, 76342, 103607, 119966, 162811, 194579, 207214, 325622, 389158, 419881, 725249, 839762, 1139677, 1450498, 2279354, 7977739, 15955478]

約数ペア:

[(1, 15955478), (2, 7977739), (7, 2279354), (11, 1450498), (14, 1139677), (19, 839762), (22, 725249), (38, 419881), (41, 389158), (49, 325622), (77, 207214), (82, 194579), (98, 162811), (133, 119966), (154, 103607), (209, 76342), (266, 59983), (287, 55594), (361, 44198), (418, 38171), (451, 35378), (539, 29602), (574, 27797), (722, 22099), (779, 20482), (902, 17689), (931, 17138), (1078, 14801), (1463, 10906), (1558, 10241), (1862, 8569), (2009, 7942), (2527, 6314), (2926, 5453), (3157, 5054), (3971, 4018)]