221006874

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1147

約数の個数: 64

約数和(自身を含む): 502824960

約数和(自身を除く): 281818086

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 62, 66, 93, 109, 186, 218, 327, 341, 654, 682, 991, 1023, 1199, 1982, 2046, 2398, 2973, 3379, 3597, 5946, 6758, 7194, 10137, 10901, 20274, 21802, 30721, 32703, 37169, 61442, 65406, 74338, 92163, 108019, 111507, 184326, 216038, 223014, 324057, 337931, 648114, 675862, 1013793, 1188209, 2027586, 2376418, 3348589, 3564627, 6697178, 7129254, 10045767, 20091534, 36834479, 73668958, 110503437, 221006874]

約数ペア:

[(1, 221006874), (2, 110503437), (3, 73668958), (6, 36834479), (11, 20091534), (22, 10045767), (31, 7129254), (33, 6697178), (62, 3564627), (66, 3348589), (93, 2376418), (109, 2027586), (186, 1188209), (218, 1013793), (327, 675862), (341, 648114), (654, 337931), (682, 324057), (991, 223014), (1023, 216038), (1199, 184326), (1982, 111507), (2046, 108019), (2398, 92163), (2973, 74338), (3379, 65406), (3597, 61442), (5946, 37169), (6758, 32703), (7194, 30721), (10137, 21802), (10901, 20274)]