198892188

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1193}}^1$

素因数の和:1635

約数の個数: 72

約数和(自身を含む): 550223856

約数和(自身を除く): 351331668

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 421, 842, 1193, 1263, 1684, 2386, 2526, 3579, 3789, 4631, 4772, 5052, 7158, 7578, 9262, 10737, 13123, 13893, 14316, 15156, 18524, 21474, 26246, 27786, 39369, 41679, 42948, 52492, 55572, 78738, 83358, 118107, 157476, 166716, 236214, 472428, 502253, 1004506, 1506759, 2009012, 3013518, 4520277, 5524783, 6027036, 9040554, 11049566, 16574349, 18081108, 22099132, 33148698, 49723047, 66297396, 99446094, 198892188]

約数ペア:

[(1, 198892188), (2, 99446094), (3, 66297396), (4, 49723047), (6, 33148698), (9, 22099132), (11, 18081108), (12, 16574349), (18, 11049566), (22, 9040554), (33, 6027036), (36, 5524783), (44, 4520277), (66, 3013518), (99, 2009012), (132, 1506759), (198, 1004506), (396, 502253), (421, 472428), (842, 236214), (1193, 166716), (1263, 157476), (1684, 118107), (2386, 83358), (2526, 78738), (3579, 55572), (3789, 52492), (4631, 42948), (4772, 41679), (5052, 39369), (7158, 27786), (7578, 26246), (9262, 21474), (10737, 18524), (13123, 15156), (13893, 14316)]