221409608

素因数分解:

$2^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{12713}}^1$

素因数の和:13037

約数の個数: 32

約数和(自身を含む): 476012160

約数和(自身を除く): 254602552

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 311, 622, 1244, 2177, 2488, 4354, 8708, 12713, 17416, 25426, 50852, 88991, 101704, 177982, 355964, 711928, 3953743, 7907486, 15814972, 27676201, 31629944, 55352402, 110704804, 221409608]

約数ペア:

[(1, 221409608), (2, 110704804), (4, 55352402), (7, 31629944), (8, 27676201), (14, 15814972), (28, 7907486), (56, 3953743), (311, 711928), (622, 355964), (1244, 177982), (2177, 101704), (2488, 88991), (4354, 50852), (8708, 25426), (12713, 17416)]