28107904

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19963}}^1$

素因数の和:19988

約数の個数: 32

約数和(自身を含む): 61089840

約数和(自身を除く): 32981936

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 19963, 39926, 79852, 159704, 219593, 319408, 439186, 638816, 878372, 1277632, 1756744, 2555264, 3513488, 7026976, 14053952, 28107904]

約数ペア:

[(1, 28107904), (2, 14053952), (4, 7026976), (8, 3513488), (11, 2555264), (16, 1756744), (22, 1277632), (32, 878372), (44, 638816), (64, 439186), (88, 319408), (128, 219593), (176, 159704), (352, 79852), (704, 39926), (1408, 19963)]