284987235

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{389}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 525854160

約数和(自身を除く): 240866925

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 169, 195, 221, 255, 289, 389, 507, 663, 845, 867, 1105, 1167, 1445, 1945, 2535, 2873, 3315, 3757, 4335, 5057, 5835, 6613, 8619, 11271, 14365, 15171, 18785, 19839, 25285, 33065, 43095, 48841, 56355, 65741, 75855, 85969, 99195, 112421, 146523, 197223, 244205, 257907, 328705, 337263, 429845, 562105, 732615, 986115, 1117597, 1289535, 1461473, 1686315, 3352791, 4384419, 5587985, 7307365, 16763955, 18999149, 21922095, 56997447, 94995745, 284987235]

約数ペア:

[(1, 284987235), (3, 94995745), (5, 56997447), (13, 21922095), (15, 18999149), (17, 16763955), (39, 7307365), (51, 5587985), (65, 4384419), (85, 3352791), (169, 1686315), (195, 1461473), (221, 1289535), (255, 1117597), (289, 986115), (389, 732615), (507, 562105), (663, 429845), (845, 337263), (867, 328705), (1105, 257907), (1167, 244205), (1445, 197223), (1945, 146523), (2535, 112421), (2873, 99195), (3315, 85969), (3757, 75855), (4335, 65741), (5057, 56355), (5835, 48841), (6613, 43095), (8619, 33065), (11271, 25285), (14365, 19839), (15171, 18785)]