81213864

素因数分解:

$2^3\times 3^1\times {\mathrm{389}}^1\times {\mathrm{8699}}^1$

素因数の和:9097

約数の個数: 32

約数和(自身を含む): 203580000

約数和(自身を除く): 122366136

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 389, 778, 1167, 1556, 2334, 3112, 4668, 8699, 9336, 17398, 26097, 34796, 52194, 69592, 104388, 208776, 3383911, 6767822, 10151733, 13535644, 20303466, 27071288, 40606932, 81213864]

約数ペア:

[(1, 81213864), (2, 40606932), (3, 27071288), (4, 20303466), (6, 13535644), (8, 10151733), (12, 6767822), (24, 3383911), (389, 208776), (778, 104388), (1167, 69592), (1556, 52194), (2334, 34796), (3112, 26097), (4668, 17398), (8699, 9336)]