28091576

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 56784240

約数和(自身を除く): 28692664

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 137, 142, 152, 274, 284, 361, 548, 568, 722, 1096, 1349, 1444, 2603, 2698, 2888, 5206, 5396, 9727, 10412, 10792, 19454, 20824, 25631, 38908, 49457, 51262, 77816, 98914, 102524, 184813, 197828, 205048, 369626, 395656, 739252, 1478504, 3511447, 7022894, 14045788, 28091576]

約数ペア:

[(1, 28091576), (2, 14045788), (4, 7022894), (8, 3511447), (19, 1478504), (38, 739252), (71, 395656), (76, 369626), (137, 205048), (142, 197828), (152, 184813), (274, 102524), (284, 98914), (361, 77816), (548, 51262), (568, 49457), (722, 38908), (1096, 25631), (1349, 20824), (1444, 19454), (2603, 10792), (2698, 10412), (2888, 9727), (5206, 5396)]