81131784

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^2\times {\mathrm{2011}}^1$

素因数の和:2102

約数の個数: 48

約数和(自身を含む): 208000560

約数和(自身を除く): 126868776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 1681, 2011, 3362, 4022, 5043, 6033, 6724, 8044, 10086, 12066, 13448, 16088, 20172, 24132, 40344, 48264, 82451, 164902, 247353, 329804, 494706, 659608, 989412, 1978824, 3380491, 6760982, 10141473, 13521964, 20282946, 27043928, 40565892, 81131784]

約数ペア:

[(1, 81131784), (2, 40565892), (3, 27043928), (4, 20282946), (6, 13521964), (8, 10141473), (12, 6760982), (24, 3380491), (41, 1978824), (82, 989412), (123, 659608), (164, 494706), (246, 329804), (328, 247353), (492, 164902), (984, 82451), (1681, 48264), (2011, 40344), (3362, 24132), (4022, 20172), (5043, 16088), (6033, 13448), (6724, 12066), (8044, 10086)]