90381138

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 198737280

約数和(自身を除く): 108356142

約数列:

[1, 2, 3, 6, 19, 38, 41, 57, 61, 82, 114, 122, 123, 183, 246, 317, 366, 634, 779, 951, 1159, 1558, 1902, 2318, 2337, 2501, 3477, 4674, 5002, 6023, 6954, 7503, 12046, 12997, 15006, 18069, 19337, 25994, 36138, 38674, 38991, 47519, 58011, 77982, 95038, 116022, 142557, 246943, 285114, 367403, 493886, 734806, 740829, 792817, 1102209, 1481658, 1585634, 2204418, 2378451, 4756902, 15063523, 30127046, 45190569, 90381138]

約数ペア:

[(1, 90381138), (2, 45190569), (3, 30127046), (6, 15063523), (19, 4756902), (38, 2378451), (41, 2204418), (57, 1585634), (61, 1481658), (82, 1102209), (114, 792817), (122, 740829), (123, 734806), (183, 493886), (246, 367403), (317, 285114), (366, 246943), (634, 142557), (779, 116022), (951, 95038), (1159, 77982), (1558, 58011), (1902, 47519), (2318, 38991), (2337, 38674), (2501, 36138), (3477, 25994), (4674, 19337), (5002, 18069), (6023, 15006), (6954, 12997), (7503, 12046)]