878384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 40

約数和(自身を含む): 1895712

約数和(自身を除く): 1017328

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 103, 104, 164, 206, 208, 328, 412, 533, 656, 824, 1066, 1339, 1648, 2132, 2678, 4223, 4264, 5356, 8446, 8528, 10712, 16892, 21424, 33784, 54899, 67568, 109798, 219596, 439192, 878384]

約数ペア:

[(1, 878384), (2, 439192), (4, 219596), (8, 109798), (13, 67568), (16, 54899), (26, 33784), (41, 21424), (52, 16892), (82, 10712), (103, 8528), (104, 8446), (164, 5356), (206, 4264), (208, 4223), (328, 2678), (412, 2132), (533, 1648), (656, 1339), (824, 1066)]