261657354

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{3463}}^1$

素因数の和:3739

約数の個数: 48

約数和(自身を含む): 611299008

約数和(自身を除く): 349641654

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 257, 294, 514, 771, 1542, 1799, 3463, 3598, 5397, 6926, 10389, 10794, 12593, 20778, 24241, 25186, 37779, 48482, 72723, 75558, 145446, 169687, 339374, 509061, 889991, 1018122, 1779982, 2669973, 5339946, 6229937, 12459874, 18689811, 37379622, 43609559, 87219118, 130828677, 261657354]

約数ペア:

[(1, 261657354), (2, 130828677), (3, 87219118), (6, 43609559), (7, 37379622), (14, 18689811), (21, 12459874), (42, 6229937), (49, 5339946), (98, 2669973), (147, 1779982), (257, 1018122), (294, 889991), (514, 509061), (771, 339374), (1542, 169687), (1799, 145446), (3463, 75558), (3598, 72723), (5397, 48482), (6926, 37779), (10389, 25186), (10794, 24241), (12593, 20778)]