138421738

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1549}}^1$

素因数の和:2062

約数の個数: 32

約数和(自身を含む): 256233600

約数和(自身を除く): 117811862

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 491, 982, 1549, 3098, 3437, 6383, 6874, 10843, 12766, 20137, 21686, 40274, 44681, 89362, 140959, 281918, 760559, 1521118, 5323913, 9887267, 10647826, 19774534, 69210869, 138421738]

約数ペア:

[(1, 138421738), (2, 69210869), (7, 19774534), (13, 10647826), (14, 9887267), (26, 5323913), (91, 1521118), (182, 760559), (491, 281918), (982, 140959), (1549, 89362), (3098, 44681), (3437, 40274), (6383, 21686), (6874, 20137), (10843, 12766)]