71241884

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 151683840

約数和(自身を除く): 80441956

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 79, 86, 98, 107, 158, 172, 196, 214, 301, 316, 428, 553, 602, 749, 1106, 1204, 1498, 2107, 2212, 2996, 3397, 3871, 4214, 4601, 5243, 6794, 7742, 8428, 8453, 9202, 10486, 13588, 15484, 16906, 18404, 20972, 23779, 32207, 33812, 47558, 59171, 64414, 95116, 118342, 128828, 166453, 225449, 236684, 332906, 363479, 414197, 450898, 665812, 726958, 828394, 901796, 1453916, 1656788, 2544353, 5088706, 10177412, 17810471, 35620942, 71241884]

約数ペア:

[(1, 71241884), (2, 35620942), (4, 17810471), (7, 10177412), (14, 5088706), (28, 2544353), (43, 1656788), (49, 1453916), (79, 901796), (86, 828394), (98, 726958), (107, 665812), (158, 450898), (172, 414197), (196, 363479), (214, 332906), (301, 236684), (316, 225449), (428, 166453), (553, 128828), (602, 118342), (749, 95116), (1106, 64414), (1204, 59171), (1498, 47558), (2107, 33812), (2212, 32207), (2996, 23779), (3397, 20972), (3871, 18404), (4214, 16906), (4601, 15484), (5243, 13588), (6794, 10486), (7742, 9202), (8428, 8453)]