81707892

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{138959}}^1$

素因数の和:138980

約数の個数: 36

約数和(自身を含む): 221780160

約数和(自身を除く): 140072268

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 138959, 277918, 416877, 555836, 833754, 972713, 1667508, 1945426, 2918139, 3890852, 5836278, 6808991, 11672556, 13617982, 20426973, 27235964, 40853946, 81707892]

約数ペア:

[(1, 81707892), (2, 40853946), (3, 27235964), (4, 20426973), (6, 13617982), (7, 11672556), (12, 6808991), (14, 5836278), (21, 3890852), (28, 2918139), (42, 1945426), (49, 1667508), (84, 972713), (98, 833754), (147, 555836), (196, 416877), (294, 277918), (588, 138959)]