221420144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{2729}}^1$

素因数の和:3209

約数の個数: 40

約数和(自身を含む): 469188720

約数和(自身を除く): 247768576

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 461, 922, 1844, 2729, 3688, 5071, 5458, 7376, 10142, 10916, 20284, 21832, 30019, 40568, 43664, 60038, 81136, 120076, 240152, 480304, 1258069, 2516138, 5032276, 10064552, 13838759, 20129104, 27677518, 55355036, 110710072, 221420144]

約数ペア:

[(1, 221420144), (2, 110710072), (4, 55355036), (8, 27677518), (11, 20129104), (16, 13838759), (22, 10064552), (44, 5032276), (88, 2516138), (176, 1258069), (461, 480304), (922, 240152), (1844, 120076), (2729, 81136), (3688, 60038), (5071, 43664), (5458, 40568), (7376, 30019), (10142, 21832), (10916, 20284)]