81493792

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{727}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 167311872

約数和(自身を除く): 85818080

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 113, 124, 226, 248, 452, 496, 727, 904, 992, 1454, 1808, 2908, 3503, 3616, 5816, 7006, 11632, 14012, 22537, 23264, 28024, 45074, 56048, 82151, 90148, 112096, 164302, 180296, 328604, 360592, 657208, 721184, 1314416, 2546681, 2628832, 5093362, 10186724, 20373448, 40746896, 81493792]

約数ペア:

[(1, 81493792), (2, 40746896), (4, 20373448), (8, 10186724), (16, 5093362), (31, 2628832), (32, 2546681), (62, 1314416), (113, 721184), (124, 657208), (226, 360592), (248, 328604), (452, 180296), (496, 164302), (727, 112096), (904, 90148), (992, 82151), (1454, 56048), (1808, 45074), (2908, 28024), (3503, 23264), (3616, 22537), (5816, 14012), (7006, 11632)]