291267205

素因数分解:

$5^1\times {\mathrm{17}}^3\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:294

約数の個数: 32

約数和(自身を含む): 378846720

約数和(自身を除く): 87579515

約数列:

[1, 5, 17, 71, 85, 167, 289, 355, 835, 1207, 1445, 2839, 4913, 6035, 11857, 14195, 20519, 24565, 48263, 59285, 102595, 201569, 241315, 348823, 820471, 1007845, 1744115, 3426673, 4102355, 17133365, 58253441, 291267205]

約数ペア:

[(1, 291267205), (5, 58253441), (17, 17133365), (71, 4102355), (85, 3426673), (167, 1744115), (289, 1007845), (355, 820471), (835, 348823), (1207, 241315), (1445, 201569), (2839, 102595), (4913, 59285), (6035, 48263), (11857, 24565), (14195, 20519)]