378548737

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 459613440

約数和(自身を除く): 81064703

約数列:

[1, 7, 43, 53, 61, 301, 371, 389, 427, 2279, 2623, 2723, 3233, 15953, 16727, 18361, 20617, 22631, 23729, 117089, 139019, 144319, 166103, 886531, 973133, 1020347, 1257637, 6205717, 7142429, 8803459, 54078391, 378548737]

約数ペア:

[(1, 378548737), (7, 54078391), (43, 8803459), (53, 7142429), (61, 6205717), (301, 1257637), (371, 1020347), (389, 973133), (427, 886531), (2279, 166103), (2623, 144319), (2723, 139019), (3233, 117089), (15953, 23729), (16727, 22631), (18361, 20617)]