28878624

素因数分解:

$2^5\times 3^2\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:722

約数の個数: 72

約数和(自身を含む): 82702620

約数和(自身を除く): 53823996

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 197, 288, 394, 509, 591, 788, 1018, 1182, 1527, 1576, 1773, 2036, 2364, 3054, 3152, 3546, 4072, 4581, 4728, 6108, 6304, 7092, 8144, 9162, 9456, 12216, 14184, 16288, 18324, 18912, 24432, 28368, 36648, 48864, 56736, 73296, 100273, 146592, 200546, 300819, 401092, 601638, 802184, 902457, 1203276, 1604368, 1804914, 2406552, 3208736, 3609828, 4813104, 7219656, 9626208, 14439312, 28878624]

約数ペア:

[(1, 28878624), (2, 14439312), (3, 9626208), (4, 7219656), (6, 4813104), (8, 3609828), (9, 3208736), (12, 2406552), (16, 1804914), (18, 1604368), (24, 1203276), (32, 902457), (36, 802184), (48, 601638), (72, 401092), (96, 300819), (144, 200546), (197, 146592), (288, 100273), (394, 73296), (509, 56736), (591, 48864), (788, 36648), (1018, 28368), (1182, 24432), (1527, 18912), (1576, 18324), (1773, 16288), (2036, 14184), (2364, 12216), (3054, 9456), (3152, 9162), (3546, 8144), (4072, 7092), (4581, 6304), (4728, 6108)]