90720392

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{22817}}^1$

素因数の和:22901

約数の個数: 32

約数和(自身を含む): 197147520

約数和(自身を除く): 106427128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 22817, 45634, 91268, 159719, 182536, 319438, 638876, 1277752, 1620007, 3240014, 6480028, 11340049, 12960056, 22680098, 45360196, 90720392]

約数ペア:

[(1, 90720392), (2, 45360196), (4, 22680098), (7, 12960056), (8, 11340049), (14, 6480028), (28, 3240014), (56, 1620007), (71, 1277752), (142, 638876), (284, 319438), (497, 182536), (568, 159719), (994, 91268), (1988, 45634), (3976, 22817)]