31293164

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 67415040

約数和(自身を除く): 36121876

約数列:

[1, 2, 4, 7, 14, 28, 43, 47, 49, 79, 86, 94, 98, 158, 172, 188, 196, 301, 316, 329, 553, 602, 658, 1106, 1204, 1316, 2021, 2107, 2212, 2303, 3397, 3713, 3871, 4042, 4214, 4606, 6794, 7426, 7742, 8084, 8428, 9212, 13588, 14147, 14852, 15484, 23779, 25991, 28294, 47558, 51982, 56588, 95116, 99029, 103964, 159659, 166453, 181937, 198058, 319318, 332906, 363874, 396116, 638636, 665812, 727748, 1117613, 2235226, 4470452, 7823291, 15646582, 31293164]

約数ペア:

[(1, 31293164), (2, 15646582), (4, 7823291), (7, 4470452), (14, 2235226), (28, 1117613), (43, 727748), (47, 665812), (49, 638636), (79, 396116), (86, 363874), (94, 332906), (98, 319318), (158, 198058), (172, 181937), (188, 166453), (196, 159659), (301, 103964), (316, 99029), (329, 95116), (553, 56588), (602, 51982), (658, 47558), (1106, 28294), (1204, 25991), (1316, 23779), (2021, 15484), (2107, 14852), (2212, 14147), (2303, 13588), (3397, 9212), (3713, 8428), (3871, 8084), (4042, 7742), (4214, 7426), (4606, 6794)]