81124316

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:211

約数の個数: 96

約数和(自身を含む): 183794688

約数和(自身を除く): 102670372

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 71, 73, 86, 91, 142, 146, 172, 182, 284, 292, 301, 364, 497, 511, 559, 602, 923, 949, 994, 1022, 1118, 1204, 1846, 1898, 1988, 2044, 2236, 3053, 3139, 3692, 3796, 3913, 5183, 6106, 6278, 6461, 6643, 7826, 10366, 12212, 12556, 12922, 13286, 15652, 20732, 21371, 21973, 25844, 26572, 36281, 39689, 40807, 42742, 43946, 67379, 72562, 79378, 81614, 85484, 87892, 134758, 145124, 158756, 163228, 222869, 269516, 277823, 285649, 445738, 471653, 555646, 571298, 891476, 943306, 1111292, 1142596, 1560083, 1886612, 2897297, 3120166, 5794594, 6240332, 11589188, 20281079, 40562158, 81124316]

約数ペア:

[(1, 81124316), (2, 40562158), (4, 20281079), (7, 11589188), (13, 6240332), (14, 5794594), (26, 3120166), (28, 2897297), (43, 1886612), (52, 1560083), (71, 1142596), (73, 1111292), (86, 943306), (91, 891476), (142, 571298), (146, 555646), (172, 471653), (182, 445738), (284, 285649), (292, 277823), (301, 269516), (364, 222869), (497, 163228), (511, 158756), (559, 145124), (602, 134758), (923, 87892), (949, 85484), (994, 81614), (1022, 79378), (1118, 72562), (1204, 67379), (1846, 43946), (1898, 42742), (1988, 40807), (2044, 39689), (2236, 36281), (3053, 26572), (3139, 25844), (3692, 21973), (3796, 21371), (3913, 20732), (5183, 15652), (6106, 13286), (6278, 12922), (6461, 12556), (6643, 12212), (7826, 10366)]