81238008

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{353}}^1$

素因数の和:628

約数の個数: 64

約数和(自身を含む): 209341440

約数和(自身を除く): 128103432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 223, 258, 344, 353, 446, 516, 669, 706, 892, 1032, 1059, 1338, 1412, 1784, 2118, 2676, 2824, 4236, 5352, 8472, 9589, 15179, 19178, 28767, 30358, 38356, 45537, 57534, 60716, 76712, 78719, 91074, 115068, 121432, 157438, 182148, 230136, 236157, 314876, 364296, 472314, 629752, 944628, 1889256, 3384917, 6769834, 10154751, 13539668, 20309502, 27079336, 40619004, 81238008]

約数ペア:

[(1, 81238008), (2, 40619004), (3, 27079336), (4, 20309502), (6, 13539668), (8, 10154751), (12, 6769834), (24, 3384917), (43, 1889256), (86, 944628), (129, 629752), (172, 472314), (223, 364296), (258, 314876), (344, 236157), (353, 230136), (446, 182148), (516, 157438), (669, 121432), (706, 115068), (892, 91074), (1032, 78719), (1059, 76712), (1338, 60716), (1412, 57534), (1784, 45537), (2118, 38356), (2676, 30358), (2824, 28767), (4236, 19178), (5352, 15179), (8472, 9589)]