81870348

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2383}}^1$

素因数の和:2806

約数の個数: 48

約数和(自身を含む): 218946560

約数和(自身を除く): 137076212

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 409, 818, 1227, 1636, 2383, 2454, 2863, 4766, 4908, 5726, 7149, 8589, 9532, 11452, 14298, 16681, 17178, 28596, 33362, 34356, 50043, 66724, 100086, 200172, 974647, 1949294, 2923941, 3898588, 5847882, 6822529, 11695764, 13645058, 20467587, 27290116, 40935174, 81870348]

約数ペア:

[(1, 81870348), (2, 40935174), (3, 27290116), (4, 20467587), (6, 13645058), (7, 11695764), (12, 6822529), (14, 5847882), (21, 3898588), (28, 2923941), (42, 1949294), (84, 974647), (409, 200172), (818, 100086), (1227, 66724), (1636, 50043), (2383, 34356), (2454, 33362), (2863, 28596), (4766, 17178), (4908, 16681), (5726, 14298), (7149, 11452), (8589, 9532)]