218813478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1657}}^1\times {\mathrm{1693}}^1$

素因数の和:3368

約数の個数: 32

約数和(自身を含む): 471853536

約数和(自身を除く): 253040058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1657, 1693, 3314, 3386, 4971, 5079, 9942, 10158, 21541, 22009, 43082, 44018, 64623, 66027, 129246, 132054, 2805301, 5610602, 8415903, 16831806, 36468913, 72937826, 109406739, 218813478]

約数ペア:

[(1, 218813478), (2, 109406739), (3, 72937826), (6, 36468913), (13, 16831806), (26, 8415903), (39, 5610602), (78, 2805301), (1657, 132054), (1693, 129246), (3314, 66027), (3386, 64623), (4971, 44018), (5079, 43082), (9942, 22009), (10158, 21541)]