213561728

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:655

約数の個数: 64

約数和(自身を含む): 444165120

約数和(自身を除く): 230603392

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 107, 124, 128, 214, 248, 428, 496, 503, 856, 992, 1006, 1712, 1984, 2012, 3317, 3424, 3968, 4024, 6634, 6848, 8048, 13268, 13696, 15593, 16096, 26536, 31186, 32192, 53072, 53821, 62372, 64384, 106144, 107642, 124744, 212288, 215284, 249488, 424576, 430568, 498976, 861136, 997952, 1668451, 1722272, 1995904, 3336902, 3444544, 6673804, 6889088, 13347608, 26695216, 53390432, 106780864, 213561728]

約数ペア:

[(1, 213561728), (2, 106780864), (4, 53390432), (8, 26695216), (16, 13347608), (31, 6889088), (32, 6673804), (62, 3444544), (64, 3336902), (107, 1995904), (124, 1722272), (128, 1668451), (214, 997952), (248, 861136), (428, 498976), (496, 430568), (503, 424576), (856, 249488), (992, 215284), (1006, 212288), (1712, 124744), (1984, 107642), (2012, 106144), (3317, 64384), (3424, 62372), (3968, 53821), (4024, 53072), (6634, 32192), (6848, 31186), (8048, 26536), (13268, 16096), (13696, 15593)]