211315624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{19727}}^1$

素因数の和:19849

約数の個数: 32

約数和(自身を含む): 430859520

約数和(自身を除く): 219543896

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 206, 412, 824, 1339, 2678, 5356, 10712, 19727, 39454, 78908, 157816, 256451, 512902, 1025804, 2031881, 2051608, 4063762, 8127524, 16255048, 26414453, 52828906, 105657812, 211315624]

約数ペア:

[(1, 211315624), (2, 105657812), (4, 52828906), (8, 26414453), (13, 16255048), (26, 8127524), (52, 4063762), (103, 2051608), (104, 2031881), (206, 1025804), (412, 512902), (824, 256451), (1339, 157816), (2678, 78908), (5356, 39454), (10712, 19727)]