1640123968

素因数分解:

$2^6\times 7^1\times {\mathrm{223}}^1\times {\mathrm{16417}}^1$

素因数の和:16659

約数の個数: 56

約数和(自身を含む): 3736474112

約数和(自身を除く): 2096350144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 223, 224, 446, 448, 892, 1561, 1784, 3122, 3568, 6244, 7136, 12488, 14272, 16417, 24976, 32834, 49952, 65668, 99904, 114919, 131336, 229838, 262672, 459676, 525344, 919352, 1050688, 1838704, 3660991, 3677408, 7321982, 7354816, 14643964, 25626937, 29287928, 51253874, 58575856, 102507748, 117151712, 205015496, 234303424, 410030992, 820061984, 1640123968]

約数ペア:

[(1, 1640123968), (2, 820061984), (4, 410030992), (7, 234303424), (8, 205015496), (14, 117151712), (16, 102507748), (28, 58575856), (32, 51253874), (56, 29287928), (64, 25626937), (112, 14643964), (223, 7354816), (224, 7321982), (446, 3677408), (448, 3660991), (892, 1838704), (1561, 1050688), (1784, 919352), (3122, 525344), (3568, 459676), (6244, 262672), (7136, 229838), (12488, 131336), (14272, 114919), (16417, 99904), (24976, 65668), (32834, 49952)]