145720744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{26437}}^1$

素因数の和:26509

約数の個数: 32

約数和(自身を含む): 299806920

約数和(自身を除く): 154086176

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 26437, 52874, 105748, 211496, 343681, 687362, 1374724, 1401161, 2749448, 2802322, 5604644, 11209288, 18215093, 36430186, 72860372, 145720744]

約数ペア:

[(1, 145720744), (2, 72860372), (4, 36430186), (8, 18215093), (13, 11209288), (26, 5604644), (52, 2802322), (53, 2749448), (104, 1401161), (106, 1374724), (212, 687362), (424, 343681), (689, 211496), (1378, 105748), (2756, 52874), (5512, 26437)]