66740142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{22381}}^1$

素因数の和:22464

約数の個数: 32

約数和(自身を含む): 154704384

約数和(自身を除く): 87964242

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 22381, 44762, 67143, 134286, 156667, 313334, 470001, 940002, 1589051, 3178102, 4767153, 9534306, 11123357, 22246714, 33370071, 66740142]

約数ペア:

[(1, 66740142), (2, 33370071), (3, 22246714), (6, 11123357), (7, 9534306), (14, 4767153), (21, 3178102), (42, 1589051), (71, 940002), (142, 470001), (213, 313334), (426, 156667), (497, 134286), (994, 67143), (1491, 44762), (2982, 22381)]