218999748

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:649

約数の個数: 96

約数和(自身を含む): 581898240

約数和(自身を除く): 362898492

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 109, 124, 132, 186, 218, 327, 341, 372, 436, 491, 654, 682, 982, 1023, 1199, 1308, 1364, 1473, 1964, 2046, 2398, 2946, 3379, 3597, 4092, 4796, 5401, 5892, 6758, 7194, 10137, 10802, 13516, 14388, 15221, 16203, 20274, 21604, 30442, 32406, 37169, 40548, 45663, 53519, 60884, 64812, 74338, 91326, 107038, 111507, 148676, 160557, 167431, 182652, 214076, 223014, 321114, 334862, 446028, 502293, 588709, 642228, 669724, 1004586, 1177418, 1659089, 1766127, 2009172, 2354836, 3318178, 3532254, 4977267, 6636356, 7064508, 9954534, 18249979, 19909068, 36499958, 54749937, 72999916, 109499874, 218999748]

約数ペア:

[(1, 218999748), (2, 109499874), (3, 72999916), (4, 54749937), (6, 36499958), (11, 19909068), (12, 18249979), (22, 9954534), (31, 7064508), (33, 6636356), (44, 4977267), (62, 3532254), (66, 3318178), (93, 2354836), (109, 2009172), (124, 1766127), (132, 1659089), (186, 1177418), (218, 1004586), (327, 669724), (341, 642228), (372, 588709), (436, 502293), (491, 446028), (654, 334862), (682, 321114), (982, 223014), (1023, 214076), (1199, 182652), (1308, 167431), (1364, 160557), (1473, 148676), (1964, 111507), (2046, 107038), (2398, 91326), (2946, 74338), (3379, 64812), (3597, 60884), (4092, 53519), (4796, 45663), (5401, 40548), (5892, 37169), (6758, 32406), (7194, 30442), (10137, 21604), (10802, 20274), (13516, 16203), (14388, 15221)]