163987978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{4691}}^1$

素因数の和:4938

約数の個数: 32

約数和(自身を含む): 308095488

約数和(自身を除く): 144107510

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 227, 454, 1589, 2497, 3178, 4691, 4994, 9382, 17479, 32837, 34958, 51601, 65674, 103202, 361207, 722414, 1064857, 2129714, 7453999, 11713427, 14907998, 23426854, 81993989, 163987978]

約数ペア:

[(1, 163987978), (2, 81993989), (7, 23426854), (11, 14907998), (14, 11713427), (22, 7453999), (77, 2129714), (154, 1064857), (227, 722414), (454, 361207), (1589, 103202), (2497, 65674), (3178, 51601), (4691, 34958), (4994, 32837), (9382, 17479)]