31973984

素因数分解:

$2^5\times 7^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:775

約数の個数: 48

約数和(自身を含む): 72324000

約数和(自身を除く): 40350016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 349, 409, 698, 818, 1396, 1636, 2443, 2792, 2863, 3272, 4886, 5584, 5726, 6544, 9772, 11168, 11452, 13088, 19544, 22904, 39088, 45808, 78176, 91616, 142741, 285482, 570964, 999187, 1141928, 1998374, 2283856, 3996748, 4567712, 7993496, 15986992, 31973984]

約数ペア:

[(1, 31973984), (2, 15986992), (4, 7993496), (7, 4567712), (8, 3996748), (14, 2283856), (16, 1998374), (28, 1141928), (32, 999187), (56, 570964), (112, 285482), (224, 142741), (349, 91616), (409, 78176), (698, 45808), (818, 39088), (1396, 22904), (1636, 19544), (2443, 13088), (2792, 11452), (2863, 11168), (3272, 9772), (4886, 6544), (5584, 5726)]