1649938017

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1$

素因数の和:435

約数の個数: 96

約数和(自身を含む): 2953896960

約数和(自身を除く): 1303958943

約数列:

[1, 3, 7, 13, 19, 21, 31, 39, 57, 91, 93, 133, 217, 247, 273, 331, 399, 403, 589, 651, 741, 961, 993, 1209, 1729, 1767, 2317, 2821, 2883, 4123, 4303, 5187, 6289, 6727, 6951, 7657, 8463, 10261, 12369, 12493, 12909, 18259, 18867, 20181, 22971, 30121, 30783, 37479, 44023, 53599, 54777, 71827, 81757, 87451, 90363, 127813, 132069, 133393, 160797, 194959, 215481, 237367, 245271, 262353, 318091, 383439, 400179, 572299, 584877, 712101, 933751, 954273, 1364713, 1661569, 1716897, 2226637, 2534467, 2801253, 4094139, 4135183, 4984707, 6043729, 6679911, 7603401, 12405549, 17741269, 18131187, 28946281, 42306103, 53223807, 78568477, 86838843, 126918309, 235705431, 549979339, 1649938017]

約数ペア:

[(1, 1649938017), (3, 549979339), (7, 235705431), (13, 126918309), (19, 86838843), (21, 78568477), (31, 53223807), (39, 42306103), (57, 28946281), (91, 18131187), (93, 17741269), (133, 12405549), (217, 7603401), (247, 6679911), (273, 6043729), (331, 4984707), (399, 4135183), (403, 4094139), (589, 2801253), (651, 2534467), (741, 2226637), (961, 1716897), (993, 1661569), (1209, 1364713), (1729, 954273), (1767, 933751), (2317, 712101), (2821, 584877), (2883, 572299), (4123, 400179), (4303, 383439), (5187, 318091), (6289, 262353), (6727, 245271), (6951, 237367), (7657, 215481), (8463, 194959), (10261, 160797), (12369, 133393), (12493, 132069), (12909, 127813), (18259, 90363), (18867, 87451), (20181, 81757), (22971, 71827), (30121, 54777), (30783, 53599), (37479, 44023)]