221016575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{367}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 316229760

約数和(自身を除く): 95213185

約数列:

[1, 5, 13, 17, 25, 65, 85, 109, 221, 325, 367, 425, 545, 1105, 1417, 1835, 1853, 2725, 4771, 5525, 6239, 7085, 9175, 9265, 23855, 24089, 31195, 35425, 40003, 46325, 81107, 119275, 120445, 155975, 200015, 405535, 520039, 602225, 680051, 1000075, 2027675, 2600195, 3400255, 8840663, 13000975, 17001275, 44203315, 221016575]

約数ペア:

[(1, 221016575), (5, 44203315), (13, 17001275), (17, 13000975), (25, 8840663), (65, 3400255), (85, 2600195), (109, 2027675), (221, 1000075), (325, 680051), (367, 602225), (425, 520039), (545, 405535), (1105, 200015), (1417, 155975), (1835, 120445), (1853, 119275), (2725, 81107), (4771, 46325), (5525, 40003), (6239, 35425), (7085, 31195), (9175, 24089), (9265, 23855)]