28920456

素因数分解:

$2^3\times 3^3\times {\mathrm{191}}^1\times {\mathrm{701}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 80870400

約数和(自身を除く): 51949944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 191, 216, 382, 573, 701, 764, 1146, 1402, 1528, 1719, 2103, 2292, 2804, 3438, 4206, 4584, 5157, 5608, 6309, 6876, 8412, 10314, 12618, 13752, 16824, 18927, 20628, 25236, 37854, 41256, 50472, 75708, 133891, 151416, 267782, 401673, 535564, 803346, 1071128, 1205019, 1606692, 2410038, 3213384, 3615057, 4820076, 7230114, 9640152, 14460228, 28920456]

約数ペア:

[(1, 28920456), (2, 14460228), (3, 9640152), (4, 7230114), (6, 4820076), (8, 3615057), (9, 3213384), (12, 2410038), (18, 1606692), (24, 1205019), (27, 1071128), (36, 803346), (54, 535564), (72, 401673), (108, 267782), (191, 151416), (216, 133891), (382, 75708), (573, 50472), (701, 41256), (764, 37854), (1146, 25236), (1402, 20628), (1528, 18927), (1719, 16824), (2103, 13752), (2292, 12618), (2804, 10314), (3438, 8412), (4206, 6876), (4584, 6309), (5157, 5608)]