17680442

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{181}}^1$

素因数の和:243

約数の個数: 36

約数和(自身を含む): 30674826

約数和(自身を除く): 12994384

約数列:

[1, 2, 13, 17, 26, 34, 169, 181, 221, 289, 338, 362, 442, 578, 2353, 2873, 3077, 3757, 4706, 5746, 6154, 7514, 30589, 40001, 48841, 52309, 61178, 80002, 97682, 104618, 520013, 680017, 1040026, 1360034, 8840221, 17680442]

約数ペア:

[(1, 17680442), (2, 8840221), (13, 1360034), (17, 1040026), (26, 680017), (34, 520013), (169, 104618), (181, 97682), (221, 80002), (289, 61178), (338, 52309), (362, 48841), (442, 40001), (578, 30589), (2353, 7514), (2873, 6154), (3077, 5746), (3757, 4706)]