81139422

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{859}}^1$

素因数の和:1057

約数の個数: 64

約数和(自身を含む): 201116160

約数和(自身を除く): 119976738

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 173, 182, 273, 346, 519, 546, 859, 1038, 1211, 1718, 2249, 2422, 2577, 3633, 4498, 5154, 6013, 6747, 7266, 11167, 12026, 13494, 15743, 18039, 22334, 31486, 33501, 36078, 47229, 67002, 78169, 94458, 148607, 156338, 234507, 297214, 445821, 469014, 891642, 1040249, 1931891, 2080498, 3120747, 3863782, 5795673, 6241494, 11591346, 13523237, 27046474, 40569711, 81139422]

約数ペア:

[(1, 81139422), (2, 40569711), (3, 27046474), (6, 13523237), (7, 11591346), (13, 6241494), (14, 5795673), (21, 3863782), (26, 3120747), (39, 2080498), (42, 1931891), (78, 1040249), (91, 891642), (173, 469014), (182, 445821), (273, 297214), (346, 234507), (519, 156338), (546, 148607), (859, 94458), (1038, 78169), (1211, 67002), (1718, 47229), (2249, 36078), (2422, 33501), (2577, 31486), (3633, 22334), (4498, 18039), (5154, 15743), (6013, 13494), (6747, 12026), (7266, 11167)]