213408748

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{205993}}^1$

素因数の和:206041

約数の個数: 24

約数和(自身を含む): 438355232

約数和(自身を除く): 224946484

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 205993, 411986, 823972, 1441951, 2883902, 5767804, 7621741, 15243482, 30486964, 53352187, 106704374, 213408748]

約数ペア:

[(1, 213408748), (2, 106704374), (4, 53352187), (7, 30486964), (14, 15243482), (28, 7621741), (37, 5767804), (74, 2883902), (148, 1441951), (259, 823972), (518, 411986), (1036, 205993)]