81191964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{911}}^1\times {\mathrm{1061}}^1$

素因数の和:1986

約数の個数: 48

約数和(自身を含む): 216953856

約数和(自身を除く): 135761892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 911, 1061, 1822, 2122, 2733, 3183, 3644, 4244, 5466, 6366, 6377, 7427, 10932, 12732, 12754, 14854, 19131, 22281, 25508, 29708, 38262, 44562, 76524, 89124, 966571, 1933142, 2899713, 3866284, 5799426, 6765997, 11598852, 13531994, 20297991, 27063988, 40595982, 81191964]

約数ペア:

[(1, 81191964), (2, 40595982), (3, 27063988), (4, 20297991), (6, 13531994), (7, 11598852), (12, 6765997), (14, 5799426), (21, 3866284), (28, 2899713), (42, 1933142), (84, 966571), (911, 89124), (1061, 76524), (1822, 44562), (2122, 38262), (2733, 29708), (3183, 25508), (3644, 22281), (4244, 19131), (5466, 14854), (6366, 12754), (6377, 12732), (7427, 10932)]