218258488

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{353}}^1$

素因数の和:608

約数の個数: 64

約数和(自身を含む): 479344320

約数和(自身を除く): 261085832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 181, 244, 353, 362, 427, 488, 706, 724, 854, 1267, 1412, 1448, 1708, 2471, 2534, 2824, 3416, 4942, 5068, 9884, 10136, 11041, 19768, 21533, 22082, 43066, 44164, 63893, 77287, 86132, 88328, 127786, 150731, 154574, 172264, 255572, 301462, 309148, 447251, 511144, 602924, 618296, 894502, 1205848, 1789004, 3578008, 3897473, 7794946, 15589892, 27282311, 31179784, 54564622, 109129244, 218258488]

約数ペア:

[(1, 218258488), (2, 109129244), (4, 54564622), (7, 31179784), (8, 27282311), (14, 15589892), (28, 7794946), (56, 3897473), (61, 3578008), (122, 1789004), (181, 1205848), (244, 894502), (353, 618296), (362, 602924), (427, 511144), (488, 447251), (706, 309148), (724, 301462), (854, 255572), (1267, 172264), (1412, 154574), (1448, 150731), (1708, 127786), (2471, 88328), (2534, 86132), (2824, 77287), (3416, 63893), (4942, 44164), (5068, 43066), (9884, 22082), (10136, 21533), (11041, 19768)]