28261818

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 68382720

約数和(自身を除く): 40120902

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 127, 234, 254, 317, 351, 381, 634, 702, 762, 951, 1143, 1651, 1902, 2286, 2853, 3302, 3429, 4121, 4953, 5706, 6858, 8242, 8559, 9906, 12363, 14859, 17118, 24726, 29718, 37089, 40259, 44577, 74178, 80518, 89154, 111267, 120777, 222534, 241554, 362331, 523367, 724662, 1046734, 1086993, 1570101, 2173986, 3140202, 4710303, 9420606, 14130909, 28261818]

約数ペア:

[(1, 28261818), (2, 14130909), (3, 9420606), (6, 4710303), (9, 3140202), (13, 2173986), (18, 1570101), (26, 1086993), (27, 1046734), (39, 724662), (54, 523367), (78, 362331), (117, 241554), (127, 222534), (234, 120777), (254, 111267), (317, 89154), (351, 80518), (381, 74178), (634, 44577), (702, 40259), (762, 37089), (951, 29718), (1143, 24726), (1651, 17118), (1902, 14859), (2286, 12363), (2853, 9906), (3302, 8559), (3429, 8242), (4121, 6858), (4953, 5706)]