217551464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{26479}}^1$

素因数の和:26577

約数の個数: 32

約数和(自身を含む): 444864000

約数和(自身を除く): 227312536

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 4108, 8216, 26479, 52958, 105916, 211832, 344227, 688454, 1376908, 2091841, 2753816, 4183682, 8367364, 16734728, 27193933, 54387866, 108775732, 217551464]

約数ペア:

[(1, 217551464), (2, 108775732), (4, 54387866), (8, 27193933), (13, 16734728), (26, 8367364), (52, 4183682), (79, 2753816), (104, 2091841), (158, 1376908), (316, 688454), (632, 344227), (1027, 211832), (2054, 105916), (4108, 52958), (8216, 26479)]