161872616

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{547}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 308940480

約数和(自身を除く): 147067864

約数列:

[1, 2, 4, 8, 71, 142, 284, 521, 547, 568, 1042, 1094, 2084, 2188, 4168, 4376, 36991, 38837, 73982, 77674, 147964, 155348, 284987, 295928, 310696, 569974, 1139948, 2279896, 20234077, 40468154, 80936308, 161872616]

約数ペア:

[(1, 161872616), (2, 80936308), (4, 40468154), (8, 20234077), (71, 2279896), (142, 1139948), (284, 569974), (521, 310696), (547, 295928), (568, 284987), (1042, 155348), (1094, 147964), (2084, 77674), (2188, 73982), (4168, 38837), (4376, 36991)]