217328916

素因数分解:

$2^2\times 3^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:451

約数の個数: 120

約数和(自身を含む): 624286880

約数和(自身を除く): 406957964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 343, 397, 399, 532, 588, 686, 794, 798, 931, 1029, 1191, 1372, 1588, 1596, 1862, 2058, 2382, 2401, 2779, 2793, 3724, 4116, 4764, 4802, 5558, 5586, 6517, 7203, 7543, 8337, 9604, 11116, 11172, 13034, 14406, 15086, 16674, 19453, 19551, 22629, 26068, 28812, 30172, 33348, 38906, 39102, 45258, 45619, 52801, 58359, 77812, 78204, 90516, 91238, 105602, 116718, 136171, 136857, 158403, 182476, 211204, 233436, 272342, 273714, 316806, 369607, 408513, 544684, 547428, 633612, 739214, 817026, 953197, 1108821, 1478428, 1634052, 1906394, 2217642, 2587249, 2859591, 3812788, 4435284, 5174498, 5719182, 7761747, 10348996, 11438364, 15523494, 18110743, 31046988, 36221486, 54332229, 72442972, 108664458, 217328916]

約数ペア:

[(1, 217328916), (2, 108664458), (3, 72442972), (4, 54332229), (6, 36221486), (7, 31046988), (12, 18110743), (14, 15523494), (19, 11438364), (21, 10348996), (28, 7761747), (38, 5719182), (42, 5174498), (49, 4435284), (57, 3812788), (76, 2859591), (84, 2587249), (98, 2217642), (114, 1906394), (133, 1634052), (147, 1478428), (196, 1108821), (228, 953197), (266, 817026), (294, 739214), (343, 633612), (397, 547428), (399, 544684), (532, 408513), (588, 369607), (686, 316806), (794, 273714), (798, 272342), (931, 233436), (1029, 211204), (1191, 182476), (1372, 158403), (1588, 136857), (1596, 136171), (1862, 116718), (2058, 105602), (2382, 91238), (2401, 90516), (2779, 78204), (2793, 77812), (3724, 58359), (4116, 52801), (4764, 45619), (4802, 45258), (5558, 39102), (5586, 38906), (6517, 33348), (7203, 30172), (7543, 28812), (8337, 26068), (9604, 22629), (11116, 19551), (11172, 19453), (13034, 16674), (14406, 15086)]