28257528

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^2$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 79626960

約数和(自身を除く): 51369432

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 41, 47, 52, 78, 82, 94, 104, 123, 141, 156, 164, 188, 246, 282, 312, 328, 376, 492, 533, 564, 611, 984, 1066, 1128, 1222, 1599, 1833, 1927, 2132, 2209, 2444, 3198, 3666, 3854, 4264, 4418, 4888, 5781, 6396, 6627, 7332, 7708, 8836, 11562, 12792, 13254, 14664, 15416, 17672, 23124, 25051, 26508, 28717, 46248, 50102, 53016, 57434, 75153, 86151, 90569, 100204, 114868, 150306, 172302, 181138, 200408, 229736, 271707, 300612, 344604, 362276, 543414, 601224, 689208, 724552, 1086828, 1177397, 2173656, 2354794, 3532191, 4709588, 7064382, 9419176, 14128764, 28257528]

約数ペア:

[(1, 28257528), (2, 14128764), (3, 9419176), (4, 7064382), (6, 4709588), (8, 3532191), (12, 2354794), (13, 2173656), (24, 1177397), (26, 1086828), (39, 724552), (41, 689208), (47, 601224), (52, 543414), (78, 362276), (82, 344604), (94, 300612), (104, 271707), (123, 229736), (141, 200408), (156, 181138), (164, 172302), (188, 150306), (246, 114868), (282, 100204), (312, 90569), (328, 86151), (376, 75153), (492, 57434), (533, 53016), (564, 50102), (611, 46248), (984, 28717), (1066, 26508), (1128, 25051), (1222, 23124), (1599, 17672), (1833, 15416), (1927, 14664), (2132, 13254), (2209, 12792), (2444, 11562), (3198, 8836), (3666, 7708), (3854, 7332), (4264, 6627), (4418, 6396), (4888, 5781)]