81863712

素因数分解:

$2^5\times 3^2\times 7^2\times {\mathrm{5801}}^1$

素因数の和:5831

約数の個数: 108

約数和(自身を含む): 270854766

約数和(自身を除く): 188991054

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 72, 84, 96, 98, 112, 126, 144, 147, 168, 196, 224, 252, 288, 294, 336, 392, 441, 504, 588, 672, 784, 882, 1008, 1176, 1568, 1764, 2016, 2352, 3528, 4704, 5801, 7056, 11602, 14112, 17403, 23204, 34806, 40607, 46408, 52209, 69612, 81214, 92816, 104418, 121821, 139224, 162428, 185632, 208836, 243642, 278448, 284249, 324856, 365463, 417672, 487284, 556896, 568498, 649712, 730926, 835344, 852747, 974568, 1136996, 1299424, 1461852, 1670688, 1705494, 1949136, 2273992, 2558241, 2923704, 3410988, 3898272, 4547984, 5116482, 5847408, 6821976, 9095968, 10232964, 11694816, 13643952, 20465928, 27287904, 40931856, 81863712]

約数ペア:

[(1, 81863712), (2, 40931856), (3, 27287904), (4, 20465928), (6, 13643952), (7, 11694816), (8, 10232964), (9, 9095968), (12, 6821976), (14, 5847408), (16, 5116482), (18, 4547984), (21, 3898272), (24, 3410988), (28, 2923704), (32, 2558241), (36, 2273992), (42, 1949136), (48, 1705494), (49, 1670688), (56, 1461852), (63, 1299424), (72, 1136996), (84, 974568), (96, 852747), (98, 835344), (112, 730926), (126, 649712), (144, 568498), (147, 556896), (168, 487284), (196, 417672), (224, 365463), (252, 324856), (288, 284249), (294, 278448), (336, 243642), (392, 208836), (441, 185632), (504, 162428), (588, 139224), (672, 121821), (784, 104418), (882, 92816), (1008, 81214), (1176, 69612), (1568, 52209), (1764, 46408), (2016, 40607), (2352, 34806), (3528, 23204), (4704, 17403), (5801, 14112), (7056, 11602)]