79941988

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 166211584

約数和(自身を除く): 86269596

約数列:

[1, 2, 4, 7, 14, 28, 43, 67, 86, 134, 172, 268, 301, 469, 602, 938, 991, 1204, 1876, 1982, 2881, 3964, 5762, 6937, 11524, 13874, 20167, 27748, 40334, 42613, 66397, 80668, 85226, 132794, 170452, 265588, 298291, 464779, 596582, 929558, 1193164, 1859116, 2855071, 5710142, 11420284, 19985497, 39970994, 79941988]

約数ペア:

[(1, 79941988), (2, 39970994), (4, 19985497), (7, 11420284), (14, 5710142), (28, 2855071), (43, 1859116), (67, 1193164), (86, 929558), (134, 596582), (172, 464779), (268, 298291), (301, 265588), (469, 170452), (602, 132794), (938, 85226), (991, 80668), (1204, 66397), (1876, 42613), (1982, 40334), (2881, 27748), (3964, 20167), (5762, 13874), (6937, 11524)]