81121404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{74287}}^1$

素因数の和:74314

約数の個数: 48

約数和(自身を含む): 232967168

約数和(自身を除く): 151845764

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 74287, 148574, 222861, 297148, 445722, 520009, 891444, 965731, 1040018, 1560027, 1931462, 2080036, 2897193, 3120054, 3862924, 5794386, 6240108, 6760117, 11588772, 13520234, 20280351, 27040468, 40560702, 81121404]

約数ペア:

[(1, 81121404), (2, 40560702), (3, 27040468), (4, 20280351), (6, 13520234), (7, 11588772), (12, 6760117), (13, 6240108), (14, 5794386), (21, 3862924), (26, 3120054), (28, 2897193), (39, 2080036), (42, 1931462), (52, 1560027), (78, 1040018), (84, 965731), (91, 891444), (156, 520009), (182, 445722), (273, 297148), (364, 222861), (546, 148574), (1092, 74287)]