31381784

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3761}}^1$

素因数の和:3923

約数の個数: 32

約数和(自身を含む): 67716000

約数和(自身を除く): 36334216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 3761, 4172, 7522, 8344, 15044, 26327, 30088, 52654, 105308, 210616, 560389, 1120778, 2241556, 3922723, 4483112, 7845446, 15690892, 31381784]

約数ペア:

[(1, 31381784), (2, 15690892), (4, 7845446), (7, 4483112), (8, 3922723), (14, 2241556), (28, 1120778), (56, 560389), (149, 210616), (298, 105308), (596, 52654), (1043, 30088), (1192, 26327), (2086, 15044), (3761, 8344), (4172, 7522)]