205428158

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 337629600

約数和(自身を除く): 132201442

約数列:

[1, 2, 13, 26, 109, 173, 218, 346, 419, 838, 1417, 2249, 2834, 4498, 5447, 10894, 18857, 37714, 45671, 72487, 91342, 144974, 245141, 490282, 593723, 942331, 1187446, 1884662, 7901083, 15802166, 102714079, 205428158]

約数ペア:

[(1, 205428158), (2, 102714079), (13, 15802166), (26, 7901083), (109, 1884662), (173, 1187446), (218, 942331), (346, 593723), (419, 490282), (838, 245141), (1417, 144974), (2249, 91342), (2834, 72487), (4498, 45671), (5447, 37714), (10894, 18857)]