218919554

素因数分解:

$2^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:591

約数の個数: 48

約数和(自身を含む): 393590016

約数和(自身を除く): 174670462

約数列:

[1, 2, 7, 14, 49, 71, 73, 98, 142, 146, 431, 497, 511, 862, 994, 1022, 3017, 3479, 3577, 5183, 6034, 6958, 7154, 10366, 21119, 30601, 31463, 36281, 42238, 61202, 62926, 72562, 214207, 220241, 253967, 428414, 440482, 507934, 1499449, 1541687, 2233873, 2998898, 3083374, 4467746, 15637111, 31274222, 109459777, 218919554]

約数ペア:

[(1, 218919554), (2, 109459777), (7, 31274222), (14, 15637111), (49, 4467746), (71, 3083374), (73, 2998898), (98, 2233873), (142, 1541687), (146, 1499449), (431, 507934), (497, 440482), (511, 428414), (862, 253967), (994, 220241), (1022, 214207), (3017, 72562), (3479, 62926), (3577, 61202), (5183, 42238), (6034, 36281), (6958, 31463), (7154, 30601), (10366, 21119)]