221589396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 667989504

約数和(自身を除く): 446400108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 53, 63, 84, 94, 106, 126, 141, 159, 188, 212, 252, 282, 318, 329, 353, 371, 423, 477, 564, 636, 658, 706, 742, 846, 954, 987, 1059, 1113, 1316, 1412, 1484, 1692, 1908, 1974, 2118, 2226, 2471, 2491, 2961, 3177, 3339, 3948, 4236, 4452, 4942, 4982, 5922, 6354, 6678, 7413, 7473, 9884, 9964, 11844, 12708, 13356, 14826, 14946, 16591, 17437, 18709, 22239, 22419, 29652, 29892, 33182, 34874, 37418, 44478, 44838, 49773, 52311, 56127, 66364, 69748, 74836, 88956, 89676, 99546, 104622, 112254, 116137, 130963, 149319, 156933, 168381, 199092, 209244, 224508, 232274, 261926, 298638, 313866, 336762, 348411, 392889, 464548, 523852, 597276, 627732, 673524, 696822, 785778, 879323, 1045233, 1178667, 1393644, 1571556, 1758646, 2090466, 2357334, 2637969, 3517292, 4180932, 4714668, 5275938, 6155261, 7913907, 10551876, 12310522, 15827814, 18465783, 24621044, 31655628, 36931566, 55397349, 73863132, 110794698, 221589396]

約数ペア:

[(1, 221589396), (2, 110794698), (3, 73863132), (4, 55397349), (6, 36931566), (7, 31655628), (9, 24621044), (12, 18465783), (14, 15827814), (18, 12310522), (21, 10551876), (28, 7913907), (36, 6155261), (42, 5275938), (47, 4714668), (53, 4180932), (63, 3517292), (84, 2637969), (94, 2357334), (106, 2090466), (126, 1758646), (141, 1571556), (159, 1393644), (188, 1178667), (212, 1045233), (252, 879323), (282, 785778), (318, 696822), (329, 673524), (353, 627732), (371, 597276), (423, 523852), (477, 464548), (564, 392889), (636, 348411), (658, 336762), (706, 313866), (742, 298638), (846, 261926), (954, 232274), (987, 224508), (1059, 209244), (1113, 199092), (1316, 168381), (1412, 156933), (1484, 149319), (1692, 130963), (1908, 116137), (1974, 112254), (2118, 104622), (2226, 99546), (2471, 89676), (2491, 88956), (2961, 74836), (3177, 69748), (3339, 66364), (3948, 56127), (4236, 52311), (4452, 49773), (4942, 44838), (4982, 44478), (5922, 37418), (6354, 34874), (6678, 33182), (7413, 29892), (7473, 29652), (9884, 22419), (9964, 22239), (11844, 18709), (12708, 17437), (13356, 16591), (14826, 14946)]