220171847

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{563}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 268500096

約数和(自身を除く): 48328249

約数列:

[1, 7, 23, 49, 161, 347, 563, 1127, 2429, 3941, 7981, 12949, 17003, 27587, 55867, 90643, 195361, 391069, 634501, 1367527, 4493303, 9572689, 31453121, 220171847]

約数ペア:

[(1, 220171847), (7, 31453121), (23, 9572689), (49, 4493303), (161, 1367527), (347, 634501), (563, 391069), (1127, 195361), (2429, 90643), (3941, 55867), (7981, 27587), (12949, 17003)]