261910816

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{3181}}^1$

素因数の和:3305

約数の個数: 48

約数和(自身を含む): 538852608

約数和(自身を除く): 276941792

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 83, 124, 166, 248, 332, 496, 664, 992, 1328, 2573, 2656, 3181, 5146, 6362, 10292, 12724, 20584, 25448, 41168, 50896, 82336, 98611, 101792, 197222, 264023, 394444, 528046, 788888, 1056092, 1577776, 2112184, 3155552, 4224368, 8184713, 8448736, 16369426, 32738852, 65477704, 130955408, 261910816]

約数ペア:

[(1, 261910816), (2, 130955408), (4, 65477704), (8, 32738852), (16, 16369426), (31, 8448736), (32, 8184713), (62, 4224368), (83, 3155552), (124, 2112184), (166, 1577776), (248, 1056092), (332, 788888), (496, 528046), (664, 394444), (992, 264023), (1328, 197222), (2573, 101792), (2656, 98611), (3181, 82336), (5146, 50896), (6362, 41168), (10292, 25448), (12724, 20584)]