81263392

素因数分解:

$2^5\times 7^1\times {\mathrm{409}}^1\times {\mathrm{887}}^1$

素因数の和:1313

約数の個数: 48

約数和(自身を含む): 183496320

約数和(自身を除く): 102232928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 409, 818, 887, 1636, 1774, 2863, 3272, 3548, 5726, 6209, 6544, 7096, 11452, 12418, 13088, 14192, 22904, 24836, 28384, 45808, 49672, 91616, 99344, 198688, 362783, 725566, 1451132, 2539481, 2902264, 5078962, 5804528, 10157924, 11609056, 20315848, 40631696, 81263392]

約数ペア:

[(1, 81263392), (2, 40631696), (4, 20315848), (7, 11609056), (8, 10157924), (14, 5804528), (16, 5078962), (28, 2902264), (32, 2539481), (56, 1451132), (112, 725566), (224, 362783), (409, 198688), (818, 99344), (887, 91616), (1636, 49672), (1774, 45808), (2863, 28384), (3272, 24836), (3548, 22904), (5726, 14192), (6209, 13088), (6544, 12418), (7096, 11452)]