31890124

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 65802240

約数和(自身を除く): 33912116

約数列:

[1, 2, 4, 7, 14, 28, 67, 89, 134, 178, 191, 268, 356, 382, 469, 623, 764, 938, 1246, 1337, 1876, 2492, 2674, 5348, 5963, 11926, 12797, 16999, 23852, 25594, 33998, 41741, 51188, 67996, 83482, 89579, 118993, 166964, 179158, 237986, 358316, 475972, 1138933, 2277866, 4555732, 7972531, 15945062, 31890124]

約数ペア:

[(1, 31890124), (2, 15945062), (4, 7972531), (7, 4555732), (14, 2277866), (28, 1138933), (67, 475972), (89, 358316), (134, 237986), (178, 179158), (191, 166964), (268, 118993), (356, 89579), (382, 83482), (469, 67996), (623, 51188), (764, 41741), (938, 33998), (1246, 25594), (1337, 23852), (1876, 16999), (2492, 12797), (2674, 11926), (5348, 5963)]