4008004

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2$

素因数の和:66

約数の個数: 81

約数和(自身を含む): 9711261

約数和(自身を除く): 5703257

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 49, 52, 77, 91, 98, 121, 143, 154, 169, 182, 196, 242, 286, 308, 338, 364, 484, 539, 572, 637, 676, 847, 1001, 1078, 1183, 1274, 1573, 1694, 1859, 2002, 2156, 2366, 2548, 3146, 3388, 3718, 4004, 4732, 5929, 6292, 7007, 7436, 8281, 11011, 11858, 13013, 14014, 16562, 20449, 22022, 23716, 26026, 28028, 33124, 40898, 44044, 52052, 77077, 81796, 91091, 143143, 154154, 182182, 286286, 308308, 364364, 572572, 1002001, 2004002, 4008004]

約数ペア:

[(1, 4008004), (2, 2004002), (4, 1002001), (7, 572572), (11, 364364), (13, 308308), (14, 286286), (22, 182182), (26, 154154), (28, 143143), (44, 91091), (49, 81796), (52, 77077), (77, 52052), (91, 44044), (98, 40898), (121, 33124), (143, 28028), (154, 26026), (169, 23716), (182, 22022), (196, 20449), (242, 16562), (286, 14014), (308, 13013), (338, 11858), (364, 11011), (484, 8281), (539, 7436), (572, 7007), (637, 6292), (676, 5929), (847, 4732), (1001, 4004), (1078, 3718), (1183, 3388), (1274, 3146), (1573, 2548), (1694, 2366), (1859, 2156)]