287797284

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{1117}}^1$

素因数の和:1565

約数の個数: 72

約数和(自身を含む): 772801848

約数和(自身を除く): 485004564

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 421, 612, 842, 1117, 1263, 1684, 2234, 2526, 3351, 3789, 4468, 5052, 6702, 7157, 7578, 10053, 13404, 14314, 15156, 18989, 20106, 21471, 28628, 37978, 40212, 42942, 56967, 64413, 75956, 85884, 113934, 128826, 170901, 227868, 257652, 341802, 470257, 683604, 940514, 1410771, 1881028, 2821542, 4232313, 5643084, 7994369, 8464626, 15988738, 16929252, 23983107, 31977476, 47966214, 71949321, 95932428, 143898642, 287797284]

約数ペア:

[(1, 287797284), (2, 143898642), (3, 95932428), (4, 71949321), (6, 47966214), (9, 31977476), (12, 23983107), (17, 16929252), (18, 15988738), (34, 8464626), (36, 7994369), (51, 5643084), (68, 4232313), (102, 2821542), (153, 1881028), (204, 1410771), (306, 940514), (421, 683604), (612, 470257), (842, 341802), (1117, 257652), (1263, 227868), (1684, 170901), (2234, 128826), (2526, 113934), (3351, 85884), (3789, 75956), (4468, 64413), (5052, 56967), (6702, 42942), (7157, 40212), (7578, 37978), (10053, 28628), (13404, 21471), (14314, 20106), (15156, 18989)]