71506288

素因数分解:

$2^4\times 7^2\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:654

約数の個数: 60

約数和(自身を含む): 162281280

約数和(自身を除く): 90774992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 223, 392, 409, 446, 784, 818, 892, 1561, 1636, 1784, 2863, 3122, 3272, 3568, 5726, 6244, 6544, 10927, 11452, 12488, 20041, 21854, 22904, 24976, 40082, 43708, 45808, 80164, 87416, 91207, 160328, 174832, 182414, 320656, 364828, 638449, 729656, 1276898, 1459312, 2553796, 4469143, 5107592, 8938286, 10215184, 17876572, 35753144, 71506288]

約数ペア:

[(1, 71506288), (2, 35753144), (4, 17876572), (7, 10215184), (8, 8938286), (14, 5107592), (16, 4469143), (28, 2553796), (49, 1459312), (56, 1276898), (98, 729656), (112, 638449), (196, 364828), (223, 320656), (392, 182414), (409, 174832), (446, 160328), (784, 91207), (818, 87416), (892, 80164), (1561, 45808), (1636, 43708), (1784, 40082), (2863, 24976), (3122, 22904), (3272, 21854), (3568, 20041), (5726, 12488), (6244, 11452), (6544, 10927)]