2778706528

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{18503}}^1$

素因数の和:18564

約数の個数: 72

約数和(自身を含む): 6218121168

約数和(自身を除く): 3439414640

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 361, 416, 494, 608, 722, 988, 1444, 1976, 2888, 3952, 4693, 5776, 7904, 9386, 11552, 18503, 18772, 37006, 37544, 74012, 75088, 148024, 150176, 240539, 296048, 351557, 481078, 592096, 703114, 962156, 1406228, 1924312, 2812456, 3848624, 4570241, 5624912, 6679583, 7697248, 9140482, 11249824, 13359166, 18280964, 26718332, 36561928, 53436664, 73123856, 86834579, 106873328, 146247712, 173669158, 213746656, 347338316, 694676632, 1389353264, 2778706528]

約数ペア:

[(1, 2778706528), (2, 1389353264), (4, 694676632), (8, 347338316), (13, 213746656), (16, 173669158), (19, 146247712), (26, 106873328), (32, 86834579), (38, 73123856), (52, 53436664), (76, 36561928), (104, 26718332), (152, 18280964), (208, 13359166), (247, 11249824), (304, 9140482), (361, 7697248), (416, 6679583), (494, 5624912), (608, 4570241), (722, 3848624), (988, 2812456), (1444, 1924312), (1976, 1406228), (2888, 962156), (3952, 703114), (4693, 592096), (5776, 481078), (7904, 351557), (9386, 296048), (11552, 240539), (18503, 150176), (18772, 148024), (37006, 75088), (37544, 74012)]