1983212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 4451328

約数和(自身を除く): 2468116

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 137, 154, 188, 274, 308, 329, 517, 548, 658, 959, 1034, 1316, 1507, 1918, 2068, 3014, 3619, 3836, 6028, 6439, 7238, 10549, 12878, 14476, 21098, 25756, 42196, 45073, 70829, 90146, 141658, 180292, 283316, 495803, 991606, 1983212]

約数ペア:

[(1, 1983212), (2, 991606), (4, 495803), (7, 283316), (11, 180292), (14, 141658), (22, 90146), (28, 70829), (44, 45073), (47, 42196), (77, 25756), (94, 21098), (137, 14476), (154, 12878), (188, 10549), (274, 7238), (308, 6439), (329, 6028), (517, 3836), (548, 3619), (658, 3014), (959, 2068), (1034, 1918), (1316, 1507)]