261555954

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{3251}}^1$

素因数の和:3343

約数の個数: 64

約数和(自身を含む): 606901248

約数和(自身を除く): 345345294

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 53, 66, 69, 106, 138, 159, 253, 318, 506, 583, 759, 1166, 1219, 1518, 1749, 2438, 3251, 3498, 3657, 6502, 7314, 9753, 13409, 19506, 26818, 35761, 40227, 71522, 74773, 80454, 107283, 149546, 172303, 214566, 224319, 344606, 448638, 516909, 822503, 1033818, 1645006, 1895333, 2467509, 3790666, 3962969, 4935018, 5685999, 7925938, 11371998, 11888907, 23777814, 43592659, 87185318, 130777977, 261555954]

約数ペア:

[(1, 261555954), (2, 130777977), (3, 87185318), (6, 43592659), (11, 23777814), (22, 11888907), (23, 11371998), (33, 7925938), (46, 5685999), (53, 4935018), (66, 3962969), (69, 3790666), (106, 2467509), (138, 1895333), (159, 1645006), (253, 1033818), (318, 822503), (506, 516909), (583, 448638), (759, 344606), (1166, 224319), (1219, 214566), (1518, 172303), (1749, 149546), (2438, 107283), (3251, 80454), (3498, 74773), (3657, 71522), (6502, 40227), (7314, 35761), (9753, 26818), (13409, 19506)]