641877.00000000

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1223}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 54991872

約数和(自身を除く): 26019002

約数列:

[1, 2, 5, 10, 23, 46, 103, 115, 206, 230, 515, 1030, 1223, 2369, 2446, 4738, 6115, 11845, 12230, 23690, 28129, 56258, 125969, 140645, 251938, 281290, 629845, 1259690, 2897287, 5794574, 14486435, 28972870]

約数ペア:

[(1, 28972870), (2, 14486435), (5, 5794574), (10, 2897287), (23, 1259690), (46, 629845), (103, 281290), (115, 251938), (206, 140645), (230, 125969), (515, 56258), (1030, 28129), (1223, 23690), (2369, 12230), (2446, 11845), (4738, 6115)]