42739998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{7321}}^1$

素因数の和:7472

約数の個数: 32

約数和(自身を含む): 98407680

約数和(自身を除く): 55667682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 5838, 7321, 14642, 21963, 43926, 51247, 102494, 153741, 307482, 1017619, 2035238, 3052857, 6105714, 7123333, 14246666, 21369999, 42739998]

約数ペア:

[(1, 42739998), (2, 21369999), (3, 14246666), (6, 7123333), (7, 6105714), (14, 3052857), (21, 2035238), (42, 1017619), (139, 307482), (278, 153741), (417, 102494), (834, 51247), (973, 43926), (1946, 21963), (2919, 14642), (5838, 7321)]