209969214

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:570

約数の個数: 96

約数和(自身を含む): 531238176

約数和(自身を除く): 321268962

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 137, 147, 182, 273, 274, 294, 401, 411, 546, 637, 802, 822, 959, 1203, 1274, 1781, 1911, 1918, 2406, 2807, 2877, 3562, 3822, 5213, 5343, 5614, 5754, 6713, 8421, 10426, 10686, 12467, 13426, 15639, 16842, 19649, 20139, 24934, 31278, 36491, 37401, 39298, 40278, 54937, 58947, 72982, 74802, 87269, 109473, 109874, 117894, 164811, 174538, 218946, 255437, 261807, 329622, 384559, 510874, 523614, 714181, 766311, 769118, 1153677, 1428362, 1532622, 2142543, 2307354, 2691913, 4285086, 4999267, 5383826, 8075739, 9998534, 14997801, 16151478, 29995602, 34994869, 69989738, 104984607, 209969214]

約数ペア:

[(1, 209969214), (2, 104984607), (3, 69989738), (6, 34994869), (7, 29995602), (13, 16151478), (14, 14997801), (21, 9998534), (26, 8075739), (39, 5383826), (42, 4999267), (49, 4285086), (78, 2691913), (91, 2307354), (98, 2142543), (137, 1532622), (147, 1428362), (182, 1153677), (273, 769118), (274, 766311), (294, 714181), (401, 523614), (411, 510874), (546, 384559), (637, 329622), (802, 261807), (822, 255437), (959, 218946), (1203, 174538), (1274, 164811), (1781, 117894), (1911, 109874), (1918, 109473), (2406, 87269), (2807, 74802), (2877, 72982), (3562, 58947), (3822, 54937), (5213, 40278), (5343, 39298), (5614, 37401), (5754, 36491), (6713, 31278), (8421, 24934), (10426, 20139), (10686, 19649), (12467, 16842), (13426, 15639)]