81085336

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 160866000

約数和(自身を除く): 79780664

約数列:

[1, 2, 4, 8, 31, 53, 62, 106, 124, 199, 212, 248, 398, 424, 796, 961, 1592, 1643, 1922, 3286, 3844, 6169, 6572, 7688, 10547, 12338, 13144, 21094, 24676, 42188, 49352, 50933, 84376, 101866, 191239, 203732, 326957, 382478, 407464, 653914, 764956, 1307828, 1529912, 2615656, 10135667, 20271334, 40542668, 81085336]

約数ペア:

[(1, 81085336), (2, 40542668), (4, 20271334), (8, 10135667), (31, 2615656), (53, 1529912), (62, 1307828), (106, 764956), (124, 653914), (199, 407464), (212, 382478), (248, 326957), (398, 203732), (424, 191239), (796, 101866), (961, 84376), (1592, 50933), (1643, 49352), (1922, 42188), (3286, 24676), (3844, 21094), (6169, 13144), (6572, 12338), (7688, 10547)]