221681916

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{5179}}^1$

素因数の和:5259

約数の個数: 72

約数和(自身を含む): 593938800

約数和(自身を除く): 372256884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 41, 58, 82, 87, 116, 123, 164, 174, 246, 261, 348, 369, 492, 522, 738, 1044, 1189, 1476, 2378, 3567, 4756, 5179, 7134, 10358, 10701, 14268, 15537, 20716, 21402, 31074, 42804, 46611, 62148, 93222, 150191, 186444, 212339, 300382, 424678, 450573, 600764, 637017, 849356, 901146, 1274034, 1351719, 1802292, 1911051, 2548068, 2703438, 3822102, 5406876, 6157831, 7644204, 12315662, 18473493, 24631324, 36946986, 55420479, 73893972, 110840958, 221681916]

約数ペア:

[(1, 221681916), (2, 110840958), (3, 73893972), (4, 55420479), (6, 36946986), (9, 24631324), (12, 18473493), (18, 12315662), (29, 7644204), (36, 6157831), (41, 5406876), (58, 3822102), (82, 2703438), (87, 2548068), (116, 1911051), (123, 1802292), (164, 1351719), (174, 1274034), (246, 901146), (261, 849356), (348, 637017), (369, 600764), (492, 450573), (522, 424678), (738, 300382), (1044, 212339), (1189, 186444), (1476, 150191), (2378, 93222), (3567, 62148), (4756, 46611), (5179, 42804), (7134, 31074), (10358, 21402), (10701, 20716), (14268, 15537)]