87811996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{28181}}^1$

素因数の和:28245

約数の個数: 24

約数和(自身を含む): 165710160

約数和(自身を除く): 77898164

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 3116, 28181, 56362, 112724, 535439, 1070878, 1155421, 2141756, 2310842, 4621684, 21952999, 43905998, 87811996]

約数ペア:

[(1, 87811996), (2, 43905998), (4, 21952999), (19, 4621684), (38, 2310842), (41, 2141756), (76, 1155421), (82, 1070878), (164, 535439), (779, 112724), (1558, 56362), (3116, 28181)]