209215942

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{1447}}^1$

素因数の和:1612

約数の個数: 32

約数和(自身を含む): 347380992

約数和(自身を除く): 138165050

約数列:

[1, 2, 13, 26, 67, 83, 134, 166, 871, 1079, 1447, 1742, 2158, 2894, 5561, 11122, 18811, 37622, 72293, 96949, 120101, 144586, 193898, 240202, 1260337, 1561313, 2520674, 3122626, 8046767, 16093534, 104607971, 209215942]

約数ペア:

[(1, 209215942), (2, 104607971), (13, 16093534), (26, 8046767), (67, 3122626), (83, 2520674), (134, 1561313), (166, 1260337), (871, 240202), (1079, 193898), (1447, 144586), (1742, 120101), (2158, 96949), (2894, 72293), (5561, 37622), (11122, 18811)]