28220348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1367}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 53357472

約数和(自身を除く): 25137124

約数列:

[1, 2, 4, 13, 26, 52, 397, 794, 1367, 1588, 2734, 5161, 5468, 10322, 17771, 20644, 35542, 71084, 542699, 1085398, 2170796, 7055087, 14110174, 28220348]

約数ペア:

[(1, 28220348), (2, 14110174), (4, 7055087), (13, 2170796), (26, 1085398), (52, 542699), (397, 71084), (794, 35542), (1367, 20644), (1588, 17771), (2734, 10322), (5161, 5468)]