638119692

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{257}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 1893265920

約数和(自身を除く): 1255146228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 59, 63, 84, 118, 126, 167, 177, 236, 252, 257, 334, 354, 413, 501, 514, 531, 668, 708, 771, 826, 1002, 1028, 1062, 1169, 1239, 1503, 1542, 1652, 1799, 2004, 2124, 2313, 2338, 2478, 3006, 3084, 3507, 3598, 3717, 4626, 4676, 4956, 5397, 6012, 7014, 7196, 7434, 9252, 9853, 10521, 10794, 14028, 14868, 15163, 16191, 19706, 21042, 21588, 29559, 30326, 32382, 39412, 42084, 42919, 45489, 59118, 60652, 64764, 68971, 85838, 88677, 90978, 106141, 118236, 128757, 136467, 137942, 171676, 177354, 181956, 206913, 212282, 257514, 272934, 275884, 300433, 318423, 354708, 386271, 413826, 424564, 515028, 545868, 600866, 620739, 636846, 772542, 827652, 901299, 955269, 1201732, 1241478, 1273692, 1545084, 1802598, 1910538, 2482956, 2532221, 2703897, 3605196, 3821076, 5064442, 5407794, 7596663, 10128884, 10815588, 15193326, 17725547, 22789989, 30386652, 35451094, 45579978, 53176641, 70902188, 91159956, 106353282, 159529923, 212706564, 319059846, 638119692]

約数ペア:

[(1, 638119692), (2, 319059846), (3, 212706564), (4, 159529923), (6, 106353282), (7, 91159956), (9, 70902188), (12, 53176641), (14, 45579978), (18, 35451094), (21, 30386652), (28, 22789989), (36, 17725547), (42, 15193326), (59, 10815588), (63, 10128884), (84, 7596663), (118, 5407794), (126, 5064442), (167, 3821076), (177, 3605196), (236, 2703897), (252, 2532221), (257, 2482956), (334, 1910538), (354, 1802598), (413, 1545084), (501, 1273692), (514, 1241478), (531, 1201732), (668, 955269), (708, 901299), (771, 827652), (826, 772542), (1002, 636846), (1028, 620739), (1062, 600866), (1169, 545868), (1239, 515028), (1503, 424564), (1542, 413826), (1652, 386271), (1799, 354708), (2004, 318423), (2124, 300433), (2313, 275884), (2338, 272934), (2478, 257514), (3006, 212282), (3084, 206913), (3507, 181956), (3598, 177354), (3717, 171676), (4626, 137942), (4676, 136467), (4956, 128757), (5397, 118236), (6012, 106141), (7014, 90978), (7196, 88677), (7434, 85838), (9252, 68971), (9853, 64764), (10521, 60652), (10794, 59118), (14028, 45489), (14868, 42919), (15163, 42084), (16191, 39412), (19706, 32382), (21042, 30326), (21588, 29559)]