212127356

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1\times {\mathrm{449}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 435456000

約数和(自身を除く): 223328644

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 359, 449, 658, 718, 898, 1316, 1436, 1796, 2513, 3143, 5026, 6286, 10052, 12572, 16873, 21103, 33746, 42206, 67492, 84412, 118111, 147721, 161191, 236222, 295442, 322382, 472444, 590884, 644764, 1128337, 2256674, 4513348, 7575977, 15151954, 30303908, 53031839, 106063678, 212127356]

約数ペア:

[(1, 212127356), (2, 106063678), (4, 53031839), (7, 30303908), (14, 15151954), (28, 7575977), (47, 4513348), (94, 2256674), (188, 1128337), (329, 644764), (359, 590884), (449, 472444), (658, 322382), (718, 295442), (898, 236222), (1316, 161191), (1436, 147721), (1796, 118111), (2513, 84412), (3143, 67492), (5026, 42206), (6286, 33746), (10052, 21103), (12572, 16873)]