168439825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1579}}^1$

素因数の和:1857

約数の個数: 24

約数和(自身を含む): 222173280

約数和(自身を除く): 53733455

約数列:

[1, 5, 17, 25, 85, 251, 425, 1255, 1579, 4267, 6275, 7895, 21335, 26843, 39475, 106675, 134215, 396329, 671075, 1981645, 6737593, 9908225, 33687965, 168439825]

約数ペア:

[(1, 168439825), (5, 33687965), (17, 9908225), (25, 6737593), (85, 1981645), (251, 671075), (425, 396329), (1255, 134215), (1579, 106675), (4267, 39475), (6275, 26843), (7895, 21335)]