1340658

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 3392640

約数和(自身を除く): 2051982

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 37, 54, 61, 66, 74, 99, 111, 122, 183, 198, 222, 297, 333, 366, 407, 549, 594, 666, 671, 814, 999, 1098, 1221, 1342, 1647, 1998, 2013, 2257, 2442, 3294, 3663, 4026, 4514, 6039, 6771, 7326, 10989, 12078, 13542, 18117, 20313, 21978, 24827, 36234, 40626, 49654, 60939, 74481, 121878, 148962, 223443, 446886, 670329, 1340658]

約数ペア:

[(1, 1340658), (2, 670329), (3, 446886), (6, 223443), (9, 148962), (11, 121878), (18, 74481), (22, 60939), (27, 49654), (33, 40626), (37, 36234), (54, 24827), (61, 21978), (66, 20313), (74, 18117), (99, 13542), (111, 12078), (122, 10989), (183, 7326), (198, 6771), (222, 6039), (297, 4514), (333, 4026), (366, 3663), (407, 3294), (549, 2442), (594, 2257), (666, 2013), (671, 1998), (814, 1647), (999, 1342), (1098, 1221)]