68049488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:364

約数の個数: 80

約数和(自身を含む): 152281920

約数和(自身を除く): 84232432

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 67, 76, 104, 134, 152, 208, 247, 257, 268, 304, 494, 514, 536, 871, 988, 1028, 1072, 1273, 1742, 1976, 2056, 2546, 3341, 3484, 3952, 4112, 4883, 5092, 6682, 6968, 9766, 10184, 13364, 13936, 16549, 17219, 19532, 20368, 26728, 33098, 34438, 39064, 53456, 63479, 66196, 68876, 78128, 126958, 132392, 137752, 223847, 253916, 264784, 275504, 327161, 447694, 507832, 654322, 895388, 1015664, 1308644, 1790776, 2617288, 3581552, 4253093, 5234576, 8506186, 17012372, 34024744, 68049488]

約数ペア:

[(1, 68049488), (2, 34024744), (4, 17012372), (8, 8506186), (13, 5234576), (16, 4253093), (19, 3581552), (26, 2617288), (38, 1790776), (52, 1308644), (67, 1015664), (76, 895388), (104, 654322), (134, 507832), (152, 447694), (208, 327161), (247, 275504), (257, 264784), (268, 253916), (304, 223847), (494, 137752), (514, 132392), (536, 126958), (871, 78128), (988, 68876), (1028, 66196), (1072, 63479), (1273, 53456), (1742, 39064), (1976, 34438), (2056, 33098), (2546, 26728), (3341, 20368), (3484, 19532), (3952, 17219), (4112, 16549), (4883, 13936), (5092, 13364), (6682, 10184), (6968, 9766)]