7781681572

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:534

約数の個数: 144

約数和(自身を含む): 17167852800

約数和(自身を除く): 9386171228

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 59, 76, 98, 107, 118, 133, 196, 214, 236, 266, 331, 413, 428, 532, 662, 749, 826, 931, 1121, 1324, 1498, 1652, 1862, 2033, 2242, 2317, 2891, 2996, 3724, 4066, 4484, 4634, 5243, 5782, 6289, 6313, 7847, 8132, 9268, 10486, 11564, 12578, 12626, 14231, 15694, 16219, 19529, 20972, 25156, 25252, 28462, 31388, 32438, 35417, 39058, 44023, 44191, 54929, 56924, 64876, 70834, 78116, 88046, 88382, 99617, 109858, 119947, 136703, 141668, 176092, 176764, 199234, 219716, 239894, 247919, 273406, 308161, 309337, 371051, 398468, 479788, 495838, 546812, 616322, 618674, 672923, 742102, 839629, 956921, 991676, 1232644, 1237348, 1345846, 1484204, 1679258, 1735433, 1913842, 2089603, 2597357, 2691692, 3358516, 3470866, 3827684, 4179206, 4710461, 5194714, 5877403, 6941732, 8358412, 9420922, 10389428, 11754806, 14627221, 18181499, 18841844, 23509612, 29254442, 32973227, 36362998, 39702457, 58508884, 65946454, 72725996, 79404914, 102390547, 131892908, 158809828, 204781094, 277917199, 409562188, 555834398, 1111668796, 1945420393, 3890840786, 7781681572]

約数ペア:

[(1, 7781681572), (2, 3890840786), (4, 1945420393), (7, 1111668796), (14, 555834398), (19, 409562188), (28, 277917199), (38, 204781094), (49, 158809828), (59, 131892908), (76, 102390547), (98, 79404914), (107, 72725996), (118, 65946454), (133, 58508884), (196, 39702457), (214, 36362998), (236, 32973227), (266, 29254442), (331, 23509612), (413, 18841844), (428, 18181499), (532, 14627221), (662, 11754806), (749, 10389428), (826, 9420922), (931, 8358412), (1121, 6941732), (1324, 5877403), (1498, 5194714), (1652, 4710461), (1862, 4179206), (2033, 3827684), (2242, 3470866), (2317, 3358516), (2891, 2691692), (2996, 2597357), (3724, 2089603), (4066, 1913842), (4484, 1735433), (4634, 1679258), (5243, 1484204), (5782, 1345846), (6289, 1237348), (6313, 1232644), (7847, 991676), (8132, 956921), (9268, 839629), (10486, 742102), (11564, 672923), (12578, 618674), (12626, 616322), (14231, 546812), (15694, 495838), (16219, 479788), (19529, 398468), (20972, 371051), (25156, 309337), (25252, 308161), (28462, 273406), (31388, 247919), (32438, 239894), (35417, 219716), (39058, 199234), (44023, 176764), (44191, 176092), (54929, 141668), (56924, 136703), (64876, 119947), (70834, 109858), (78116, 99617), (88046, 88382)]