81481548

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 208373760

約数和(自身を除く): 126892212

約数列:

[1, 2, 3, 4, 6, 12, 23, 37, 46, 69, 74, 79, 92, 101, 111, 138, 148, 158, 202, 222, 237, 276, 303, 316, 404, 444, 474, 606, 851, 948, 1212, 1702, 1817, 2323, 2553, 2923, 3404, 3634, 3737, 4646, 5106, 5451, 5846, 6969, 7268, 7474, 7979, 8769, 9292, 10212, 10902, 11211, 11692, 13938, 14948, 15958, 17538, 21804, 22422, 23937, 27876, 31916, 35076, 44844, 47874, 67229, 85951, 95748, 134458, 171902, 183517, 201687, 257853, 268916, 295223, 343804, 367034, 403374, 515706, 550551, 590446, 734068, 806748, 885669, 1031412, 1101102, 1180892, 1771338, 2202204, 3542676, 6790129, 13580258, 20370387, 27160516, 40740774, 81481548]

約数ペア:

[(1, 81481548), (2, 40740774), (3, 27160516), (4, 20370387), (6, 13580258), (12, 6790129), (23, 3542676), (37, 2202204), (46, 1771338), (69, 1180892), (74, 1101102), (79, 1031412), (92, 885669), (101, 806748), (111, 734068), (138, 590446), (148, 550551), (158, 515706), (202, 403374), (222, 367034), (237, 343804), (276, 295223), (303, 268916), (316, 257853), (404, 201687), (444, 183517), (474, 171902), (606, 134458), (851, 95748), (948, 85951), (1212, 67229), (1702, 47874), (1817, 44844), (2323, 35076), (2553, 31916), (2923, 27876), (3404, 23937), (3634, 22422), (3737, 21804), (4646, 17538), (5106, 15958), (5451, 14948), (5846, 13938), (6969, 11692), (7268, 11211), (7474, 10902), (7979, 10212), (8769, 9292)]