217778836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{773}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 439508160

約数和(自身を除く): 221729324

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 337, 418, 674, 773, 836, 1348, 1546, 3092, 3707, 6403, 7414, 8503, 12806, 14687, 14828, 17006, 25612, 29374, 34012, 58748, 70433, 140866, 161557, 260501, 281732, 323114, 521002, 646228, 1042004, 2865511, 4949519, 5731022, 9899038, 11462044, 19798076, 54444709, 108889418, 217778836]

約数ペア:

[(1, 217778836), (2, 108889418), (4, 54444709), (11, 19798076), (19, 11462044), (22, 9899038), (38, 5731022), (44, 4949519), (76, 2865511), (209, 1042004), (337, 646228), (418, 521002), (674, 323114), (773, 281732), (836, 260501), (1348, 161557), (1546, 140866), (3092, 70433), (3707, 58748), (6403, 34012), (7414, 29374), (8503, 25612), (12806, 17006), (14687, 14828)]