81097072

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 191987712

約数和(自身を除く): 110890640

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 191, 223, 238, 272, 382, 446, 476, 764, 892, 952, 1337, 1528, 1561, 1784, 1904, 2674, 3056, 3122, 3247, 3568, 3791, 5348, 6244, 6494, 7582, 10696, 12488, 12988, 15164, 21392, 22729, 24976, 25976, 26537, 30328, 42593, 45458, 51952, 53074, 60656, 85186, 90916, 106148, 170372, 181832, 212296, 298151, 340744, 363664, 424592, 596302, 681488, 724081, 1192604, 1448162, 2385208, 2896324, 4770416, 5068567, 5792648, 10137134, 11585296, 20274268, 40548536, 81097072]

約数ペア:

[(1, 81097072), (2, 40548536), (4, 20274268), (7, 11585296), (8, 10137134), (14, 5792648), (16, 5068567), (17, 4770416), (28, 2896324), (34, 2385208), (56, 1448162), (68, 1192604), (112, 724081), (119, 681488), (136, 596302), (191, 424592), (223, 363664), (238, 340744), (272, 298151), (382, 212296), (446, 181832), (476, 170372), (764, 106148), (892, 90916), (952, 85186), (1337, 60656), (1528, 53074), (1561, 51952), (1784, 45458), (1904, 42593), (2674, 30328), (3056, 26537), (3122, 25976), (3247, 24976), (3568, 22729), (3791, 21392), (5348, 15164), (6244, 12988), (6494, 12488), (7582, 10696)]