28821456

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{2819}}^1$

素因数の和:2904

約数の個数: 60

約数和(自身を含む): 81825120

約数和(自身を除く): 53003664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 2556, 2819, 3408, 5112, 5638, 8457, 10224, 11276, 16914, 22552, 25371, 33828, 45104, 50742, 67656, 101484, 135312, 200149, 202968, 400298, 405936, 600447, 800596, 1200894, 1601192, 1801341, 2401788, 3202384, 3602682, 4803576, 7205364, 9607152, 14410728, 28821456]

約数ペア:

[(1, 28821456), (2, 14410728), (3, 9607152), (4, 7205364), (6, 4803576), (8, 3602682), (9, 3202384), (12, 2401788), (16, 1801341), (18, 1601192), (24, 1200894), (36, 800596), (48, 600447), (71, 405936), (72, 400298), (142, 202968), (144, 200149), (213, 135312), (284, 101484), (426, 67656), (568, 50742), (639, 45104), (852, 33828), (1136, 25371), (1278, 22552), (1704, 16914), (2556, 11276), (2819, 10224), (3408, 8457), (5112, 5638)]