81695964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{20693}}^1$

素因数の和:20754

約数の個数: 48

約数和(自身を含む): 222501888

約数和(自身を除く): 140805924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 20693, 41386, 62079, 82772, 124158, 144851, 248316, 289702, 434553, 579404, 869106, 972571, 1738212, 1945142, 2917713, 3890284, 5835426, 6807997, 11670852, 13615994, 20423991, 27231988, 40847982, 81695964]

約数ペア:

[(1, 81695964), (2, 40847982), (3, 27231988), (4, 20423991), (6, 13615994), (7, 11670852), (12, 6807997), (14, 5835426), (21, 3890284), (28, 2917713), (42, 1945142), (47, 1738212), (84, 972571), (94, 869106), (141, 579404), (188, 434553), (282, 289702), (329, 248316), (564, 144851), (658, 124158), (987, 82772), (1316, 62079), (1974, 41386), (3948, 20693)]