28819084

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 59996160

約数和(自身を除く): 31177076

約数列:

[1, 2, 4, 7, 14, 28, 47, 61, 94, 122, 188, 244, 329, 359, 427, 658, 718, 854, 1316, 1436, 1708, 2513, 2867, 5026, 5734, 10052, 11468, 16873, 20069, 21899, 33746, 40138, 43798, 67492, 80276, 87596, 118111, 153293, 236222, 306586, 472444, 613172, 1029253, 2058506, 4117012, 7204771, 14409542, 28819084]

約数ペア:

[(1, 28819084), (2, 14409542), (4, 7204771), (7, 4117012), (14, 2058506), (28, 1029253), (47, 613172), (61, 472444), (94, 306586), (122, 236222), (188, 153293), (244, 118111), (329, 87596), (359, 80276), (427, 67492), (658, 43798), (718, 40138), (854, 33746), (1316, 21899), (1436, 20069), (1708, 16873), (2513, 11468), (2867, 10052), (5026, 5734)]