31075952

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:393

約数の個数: 40

約数和(自身を含む): 61714800

約数和(自身を除く): 30638848

約数列:

[1, 2, 4, 8, 16, 89, 139, 157, 178, 278, 314, 356, 556, 628, 712, 1112, 1256, 1424, 2224, 2512, 12371, 13973, 21823, 24742, 27946, 43646, 49484, 55892, 87292, 98968, 111784, 174584, 197936, 223568, 349168, 1942247, 3884494, 7768988, 15537976, 31075952]

約数ペア:

[(1, 31075952), (2, 15537976), (4, 7768988), (8, 3884494), (16, 1942247), (89, 349168), (139, 223568), (157, 197936), (178, 174584), (278, 111784), (314, 98968), (356, 87292), (556, 55892), (628, 49484), (712, 43646), (1112, 27946), (1256, 24742), (1424, 21823), (2224, 13973), (2512, 12371)]