87505808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:424

約数の個数: 80

約数和(自身を含む): 193654272

約数和(自身を除く): 106148464

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 41, 52, 62, 82, 104, 124, 164, 208, 248, 328, 331, 403, 496, 533, 656, 662, 806, 1066, 1271, 1324, 1612, 2132, 2542, 2648, 3224, 4264, 4303, 5084, 5296, 6448, 8528, 8606, 10168, 10261, 13571, 16523, 17212, 20336, 20522, 27142, 33046, 34424, 41044, 54284, 66092, 68848, 82088, 108568, 132184, 133393, 164176, 176423, 217136, 264368, 266786, 352846, 420701, 533572, 705692, 841402, 1067144, 1411384, 1682804, 2134288, 2822768, 3365608, 5469113, 6731216, 10938226, 21876452, 43752904, 87505808]

約数ペア:

[(1, 87505808), (2, 43752904), (4, 21876452), (8, 10938226), (13, 6731216), (16, 5469113), (26, 3365608), (31, 2822768), (41, 2134288), (52, 1682804), (62, 1411384), (82, 1067144), (104, 841402), (124, 705692), (164, 533572), (208, 420701), (248, 352846), (328, 266786), (331, 264368), (403, 217136), (496, 176423), (533, 164176), (656, 133393), (662, 132184), (806, 108568), (1066, 82088), (1271, 68848), (1324, 66092), (1612, 54284), (2132, 41044), (2542, 34424), (2648, 33046), (3224, 27142), (4264, 20522), (4303, 20336), (5084, 17212), (5296, 16523), (6448, 13571), (8528, 10261), (8606, 10168)]