211671852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{331}}^2$

素因数の和:699

約数の個数: 72

約数和(自身を含む): 590784768

約数和(自身を除く): 379112916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 331, 483, 644, 662, 966, 993, 1324, 1932, 1986, 2317, 3972, 4634, 6951, 7613, 9268, 13902, 15226, 22839, 27804, 30452, 45678, 53291, 91356, 106582, 109561, 159873, 213164, 219122, 319746, 328683, 438244, 639492, 657366, 766927, 1314732, 1533854, 2300781, 2519903, 3067708, 4601562, 5039806, 7559709, 9203124, 10079612, 15119418, 17639321, 30238836, 35278642, 52917963, 70557284, 105835926, 211671852]

約数ペア:

[(1, 211671852), (2, 105835926), (3, 70557284), (4, 52917963), (6, 35278642), (7, 30238836), (12, 17639321), (14, 15119418), (21, 10079612), (23, 9203124), (28, 7559709), (42, 5039806), (46, 4601562), (69, 3067708), (84, 2519903), (92, 2300781), (138, 1533854), (161, 1314732), (276, 766927), (322, 657366), (331, 639492), (483, 438244), (644, 328683), (662, 319746), (966, 219122), (993, 213164), (1324, 159873), (1932, 109561), (1986, 106582), (2317, 91356), (3972, 53291), (4634, 45678), (6951, 30452), (7613, 27804), (9268, 22839), (13902, 15226)]