1331509972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{40709}}^1$

素因数の和:40780

約数の個数: 48

約数和(自身を含む): 2728872720

約数和(自身を除く): 1397362748

約数列:

[1, 2, 4, 13, 17, 26, 34, 37, 52, 68, 74, 148, 221, 442, 481, 629, 884, 962, 1258, 1924, 2516, 8177, 16354, 32708, 40709, 81418, 162836, 529217, 692053, 1058434, 1384106, 1506233, 2116868, 2768212, 3012466, 6024932, 8996689, 17993378, 19581029, 25605961, 35986756, 39162058, 51211922, 78324116, 102423844, 332877493, 665754986, 1331509972]

約数ペア:

[(1, 1331509972), (2, 665754986), (4, 332877493), (13, 102423844), (17, 78324116), (26, 51211922), (34, 39162058), (37, 35986756), (52, 25605961), (68, 19581029), (74, 17993378), (148, 8996689), (221, 6024932), (442, 3012466), (481, 2768212), (629, 2116868), (884, 1506233), (962, 1384106), (1258, 1058434), (1924, 692053), (2516, 529217), (8177, 162836), (16354, 81418), (32708, 40709)]