520013456

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{3203}}^1$

素因数の和:3423

約数の個数: 40

約数和(自身を含む): 1028996640

約数和(自身を除く): 508983184

約数列:

[1, 2, 4, 8, 16, 73, 139, 146, 278, 292, 556, 584, 1112, 1168, 2224, 3203, 6406, 10147, 12812, 20294, 25624, 40588, 51248, 81176, 162352, 233819, 445217, 467638, 890434, 935276, 1780868, 1870552, 3561736, 3741104, 7123472, 32500841, 65001682, 130003364, 260006728, 520013456]

約数ペア:

[(1, 520013456), (2, 260006728), (4, 130003364), (8, 65001682), (16, 32500841), (73, 7123472), (139, 3741104), (146, 3561736), (278, 1870552), (292, 1780868), (556, 935276), (584, 890434), (1112, 467638), (1168, 445217), (2224, 233819), (3203, 162352), (6406, 81176), (10147, 51248), (12812, 40588), (20294, 25624)]