218691824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{55337}}^1$

素因数の和:55377

約数の個数: 40

約数和(自身を含む): 480333840

約数和(自身を除く): 261642016

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 55337, 110674, 221348, 442696, 719381, 885392, 1051403, 1438762, 2102806, 2877524, 4205612, 5755048, 8411224, 11510096, 13668239, 16822448, 27336478, 54672956, 109345912, 218691824]

約数ペア:

[(1, 218691824), (2, 109345912), (4, 54672956), (8, 27336478), (13, 16822448), (16, 13668239), (19, 11510096), (26, 8411224), (38, 5755048), (52, 4205612), (76, 2877524), (104, 2102806), (152, 1438762), (208, 1051403), (247, 885392), (304, 719381), (494, 442696), (988, 221348), (1976, 110674), (3952, 55337)]