28490272

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1073

約数の個数: 48

約数和(自身を含む): 60359040

約数和(自身を除く): 31868768

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 76, 94, 152, 188, 304, 376, 608, 752, 893, 997, 1504, 1786, 1994, 3572, 3988, 7144, 7976, 14288, 15952, 18943, 28576, 31904, 37886, 46859, 75772, 93718, 151544, 187436, 303088, 374872, 606176, 749744, 890321, 1499488, 1780642, 3561284, 7122568, 14245136, 28490272]

約数ペア:

[(1, 28490272), (2, 14245136), (4, 7122568), (8, 3561284), (16, 1780642), (19, 1499488), (32, 890321), (38, 749744), (47, 606176), (76, 374872), (94, 303088), (152, 187436), (188, 151544), (304, 93718), (376, 75772), (608, 46859), (752, 37886), (893, 31904), (997, 28576), (1504, 18943), (1786, 15952), (1994, 14288), (3572, 7976), (3988, 7144)]