13231688

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 25485600

約数和(自身を除く): 12253912

約数列:

[1, 2, 4, 8, 73, 139, 146, 163, 278, 292, 326, 556, 584, 652, 1112, 1304, 10147, 11899, 20294, 22657, 23798, 40588, 45314, 47596, 81176, 90628, 95192, 181256, 1653961, 3307922, 6615844, 13231688]

約数ペア:

[(1, 13231688), (2, 6615844), (4, 3307922), (8, 1653961), (73, 181256), (139, 95192), (146, 90628), (163, 81176), (278, 47596), (292, 45314), (326, 40588), (556, 23798), (584, 22657), (652, 20294), (1112, 11899), (1304, 10147)]