17789005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 24466176

約数和(自身を除く): 6677171

約数列:

[1, 5, 13, 23, 65, 73, 115, 163, 299, 365, 815, 949, 1495, 1679, 2119, 3749, 4745, 8395, 10595, 11899, 18745, 21827, 48737, 59495, 109135, 154687, 243685, 273677, 773435, 1368385, 3557801, 17789005]

約数ペア:

[(1, 17789005), (5, 3557801), (13, 1368385), (23, 773435), (65, 273677), (73, 243685), (115, 154687), (163, 109135), (299, 59495), (365, 48737), (815, 21827), (949, 18745), (1495, 11899), (1679, 10595), (2119, 8395), (3749, 4745)]