173681809

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 229340160

約数和(自身を除く): 55658351

約数列:

[1, 7, 17, 23, 31, 89, 119, 161, 217, 391, 527, 529, 623, 713, 1513, 2047, 2737, 2759, 3689, 3703, 4991, 8993, 10591, 12121, 14329, 16399, 19313, 34799, 46903, 47081, 62951, 63457, 84847, 114793, 243593, 278783, 328321, 329567, 444199, 800377, 1078769, 1459511, 1951481, 5602639, 7551383, 10216577, 24811687, 173681809]

約数ペア:

[(1, 173681809), (7, 24811687), (17, 10216577), (23, 7551383), (31, 5602639), (89, 1951481), (119, 1459511), (161, 1078769), (217, 800377), (391, 444199), (527, 329567), (529, 328321), (623, 278783), (713, 243593), (1513, 114793), (2047, 84847), (2737, 63457), (2759, 62951), (3689, 47081), (3703, 46903), (4991, 34799), (8993, 19313), (10591, 16399), (12121, 14329)]