28135764

素因数分解:

$2^2\times 3^2\times {\mathrm{401}}^1\times {\mathrm{1949}}^1$

素因数の和:2360

約数の個数: 36

約数和(自身を含む): 71334900

約数和(自身を除く): 43199136

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 401, 802, 1203, 1604, 1949, 2406, 3609, 3898, 4812, 5847, 7218, 7796, 11694, 14436, 17541, 23388, 35082, 70164, 781549, 1563098, 2344647, 3126196, 4689294, 7033941, 9378588, 14067882, 28135764]

約数ペア:

[(1, 28135764), (2, 14067882), (3, 9378588), (4, 7033941), (6, 4689294), (9, 3126196), (12, 2344647), (18, 1563098), (36, 781549), (401, 70164), (802, 35082), (1203, 23388), (1604, 17541), (1949, 14436), (2406, 11694), (3609, 7796), (3898, 7218), (4812, 5847)]