28720736

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{587}}^1$

素因数の和:747

約数の個数: 48

約数和(自身を含む): 62233920

約数和(自身を除く): 33513184

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 139, 176, 278, 352, 556, 587, 1112, 1174, 1529, 2224, 2348, 3058, 4448, 4696, 6116, 6457, 9392, 12232, 12914, 18784, 24464, 25828, 48928, 51656, 81593, 103312, 163186, 206624, 326372, 652744, 897523, 1305488, 1795046, 2610976, 3590092, 7180184, 14360368, 28720736]

約数ペア:

[(1, 28720736), (2, 14360368), (4, 7180184), (8, 3590092), (11, 2610976), (16, 1795046), (22, 1305488), (32, 897523), (44, 652744), (88, 326372), (139, 206624), (176, 163186), (278, 103312), (352, 81593), (556, 51656), (587, 48928), (1112, 25828), (1174, 24464), (1529, 18784), (2224, 12914), (2348, 12232), (3058, 9392), (4448, 6457), (4696, 6116)]