28207304

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 54027000

約数和(自身を除く): 25819696

約数列:

[1, 2, 4, 8, 89, 173, 178, 229, 346, 356, 458, 692, 712, 916, 1384, 1832, 15397, 20381, 30794, 39617, 40762, 61588, 79234, 81524, 123176, 158468, 163048, 316936, 3525913, 7051826, 14103652, 28207304]

約数ペア:

[(1, 28207304), (2, 14103652), (4, 7051826), (8, 3525913), (89, 316936), (173, 163048), (178, 158468), (229, 123176), (346, 81524), (356, 79234), (458, 61588), (692, 40762), (712, 39617), (916, 30794), (1384, 20381), (1832, 15397)]