139821892

素因数分解:

$2^2\times 7^3\times {\mathrm{223}}^1\times {\mathrm{457}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 287257600

約数和(自身を除く): 147435708

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 223, 343, 446, 457, 686, 892, 914, 1372, 1561, 1828, 3122, 3199, 6244, 6398, 10927, 12796, 21854, 22393, 43708, 44786, 76489, 89572, 101911, 152978, 156751, 203822, 305956, 313502, 407644, 627004, 713377, 1426754, 2853508, 4993639, 9987278, 19974556, 34955473, 69910946, 139821892]

約数ペア:

[(1, 139821892), (2, 69910946), (4, 34955473), (7, 19974556), (14, 9987278), (28, 4993639), (49, 2853508), (98, 1426754), (196, 713377), (223, 627004), (343, 407644), (446, 313502), (457, 305956), (686, 203822), (892, 156751), (914, 152978), (1372, 101911), (1561, 89572), (1828, 76489), (3122, 44786), (3199, 43708), (6244, 22393), (6398, 21854), (10927, 12796)]