40806974

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 68656896

約数和(自身を除く): 27849922

約数列:

[1, 2, 13, 26, 31, 62, 197, 257, 394, 403, 514, 806, 2561, 3341, 5122, 6107, 6682, 7967, 12214, 15934, 50629, 79391, 101258, 103571, 158782, 207142, 658177, 1316354, 1569499, 3138998, 20403487, 40806974]

約数ペア:

[(1, 40806974), (2, 20403487), (13, 3138998), (26, 1569499), (31, 1316354), (62, 658177), (197, 207142), (257, 158782), (394, 103571), (403, 101258), (514, 79391), (806, 50629), (2561, 15934), (3341, 12214), (5122, 7967), (6107, 6682)]