20140904

素因数分解:

$2^3\times 7^1\times {\mathrm{457}}^1\times {\mathrm{787}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 43308480

約数和(自身を除く): 23167576

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 457, 787, 914, 1574, 1828, 3148, 3199, 3656, 5509, 6296, 6398, 11018, 12796, 22036, 25592, 44072, 359659, 719318, 1438636, 2517613, 2877272, 5035226, 10070452, 20140904]

約数ペア:

[(1, 20140904), (2, 10070452), (4, 5035226), (7, 2877272), (8, 2517613), (14, 1438636), (28, 719318), (56, 359659), (457, 44072), (787, 25592), (914, 22036), (1574, 12796), (1828, 11018), (3148, 6398), (3199, 6296), (3656, 5509)]