30581564

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2381}}^1$

素因数の和:2430

約数の個数: 36

約数和(自身を含む): 61026840

約数和(自身を除く): 30445276

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 2381, 3211, 4762, 6422, 9524, 12844, 30953, 45239, 61906, 90478, 123812, 180956, 402389, 588107, 804778, 1176214, 1609556, 2352428, 7645391, 15290782, 30581564]

約数ペア:

[(1, 30581564), (2, 15290782), (4, 7645391), (13, 2352428), (19, 1609556), (26, 1176214), (38, 804778), (52, 588107), (76, 402389), (169, 180956), (247, 123812), (338, 90478), (494, 61906), (676, 45239), (988, 30953), (2381, 12844), (3211, 9524), (4762, 6422)]