221561328

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{124753}}^1$

素因数の和:124801

約数の個数: 40

約数和(自身を含む): 587840848

約数和(自身を除く): 366279520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 124753, 249506, 374259, 499012, 748518, 998024, 1497036, 1996048, 2994072, 4615861, 5988144, 9231722, 13847583, 18463444, 27695166, 36926888, 55390332, 73853776, 110780664, 221561328]

約数ペア:

[(1, 221561328), (2, 110780664), (3, 73853776), (4, 55390332), (6, 36926888), (8, 27695166), (12, 18463444), (16, 13847583), (24, 9231722), (37, 5988144), (48, 4615861), (74, 2994072), (111, 1996048), (148, 1497036), (222, 998024), (296, 748518), (444, 499012), (592, 374259), (888, 249506), (1776, 124753)]