1388402444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2011}}^1$

素因数の和:2127

約数の個数: 96

約数和(自身を含む): 3066481152

約数和(自身を除く): 1678078708

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 71, 142, 143, 187, 221, 284, 286, 374, 442, 572, 748, 781, 884, 923, 1207, 1562, 1846, 2011, 2414, 2431, 3124, 3692, 4022, 4828, 4862, 8044, 9724, 10153, 13277, 15691, 20306, 22121, 26143, 26554, 31382, 34187, 40612, 44242, 52286, 53108, 62764, 68374, 88484, 104572, 136748, 142781, 172601, 285562, 287573, 345202, 376057, 444431, 571124, 575146, 690404, 752114, 888862, 1150292, 1504228, 1570591, 1777724, 1856153, 2427277, 3141182, 3712306, 4854554, 4888741, 6282364, 7424612, 9709108, 9777482, 19554964, 20417683, 26700047, 31554601, 40835366, 53400094, 63109202, 81670732, 106800188, 126218404, 347100611, 694201222, 1388402444]

約数ペア:

[(1, 1388402444), (2, 694201222), (4, 347100611), (11, 126218404), (13, 106800188), (17, 81670732), (22, 63109202), (26, 53400094), (34, 40835366), (44, 31554601), (52, 26700047), (68, 20417683), (71, 19554964), (142, 9777482), (143, 9709108), (187, 7424612), (221, 6282364), (284, 4888741), (286, 4854554), (374, 3712306), (442, 3141182), (572, 2427277), (748, 1856153), (781, 1777724), (884, 1570591), (923, 1504228), (1207, 1150292), (1562, 888862), (1846, 752114), (2011, 690404), (2414, 575146), (2431, 571124), (3124, 444431), (3692, 376057), (4022, 345202), (4828, 287573), (4862, 285562), (8044, 172601), (9724, 142781), (10153, 136748), (13277, 104572), (15691, 88484), (20306, 68374), (22121, 62764), (26143, 53108), (26554, 52286), (31382, 44242), (34187, 40612)]