199893954

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 440294400

約数和(自身を除く): 240400446

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 103, 139, 179, 206, 278, 309, 358, 417, 537, 618, 834, 1074, 1339, 1807, 2327, 2678, 3614, 4017, 4654, 5421, 6981, 8034, 10842, 13962, 14317, 18437, 24881, 28634, 36874, 42951, 49762, 55311, 74643, 85902, 110622, 149286, 186121, 239681, 323453, 372242, 479362, 558363, 646906, 719043, 970359, 1116726, 1438086, 1940718, 2562743, 5125486, 7688229, 15376458, 33315659, 66631318, 99946977, 199893954]

約数ペア:

[(1, 199893954), (2, 99946977), (3, 66631318), (6, 33315659), (13, 15376458), (26, 7688229), (39, 5125486), (78, 2562743), (103, 1940718), (139, 1438086), (179, 1116726), (206, 970359), (278, 719043), (309, 646906), (358, 558363), (417, 479362), (537, 372242), (618, 323453), (834, 239681), (1074, 186121), (1339, 149286), (1807, 110622), (2327, 85902), (2678, 74643), (3614, 55311), (4017, 49762), (4654, 42951), (5421, 36874), (6981, 28634), (8034, 24881), (10842, 18437), (13962, 14317)]