261753128

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{2153}}^1$

素因数の和:2346

約数の個数: 64

約数和(自身を含む): 607944960

約数和(自身を除く): 346191832

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 167, 182, 334, 364, 668, 728, 1169, 1336, 2153, 2171, 2338, 4306, 4342, 4676, 8612, 8684, 9352, 15071, 15197, 17224, 17368, 27989, 30142, 30394, 55978, 60284, 60788, 111956, 120568, 121576, 195923, 223912, 359551, 391846, 719102, 783692, 1438204, 1567384, 2516857, 2876408, 4674163, 5033714, 9348326, 10067428, 18696652, 20134856, 32719141, 37393304, 65438282, 130876564, 261753128]

約数ペア:

[(1, 261753128), (2, 130876564), (4, 65438282), (7, 37393304), (8, 32719141), (13, 20134856), (14, 18696652), (26, 10067428), (28, 9348326), (52, 5033714), (56, 4674163), (91, 2876408), (104, 2516857), (167, 1567384), (182, 1438204), (334, 783692), (364, 719102), (668, 391846), (728, 359551), (1169, 223912), (1336, 195923), (2153, 121576), (2171, 120568), (2338, 111956), (4306, 60788), (4342, 60284), (4676, 55978), (8612, 30394), (8684, 30142), (9352, 27989), (15071, 17368), (15197, 17224)]