81389122

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 133462080

約数和(自身を除く): 52072958

約数列:

[1, 2, 19, 37, 38, 74, 107, 214, 541, 703, 1082, 1406, 2033, 3959, 4066, 7918, 10279, 20017, 20558, 40034, 57887, 75221, 115774, 150442, 380323, 760646, 1099853, 2141819, 2199706, 4283638, 40694561, 81389122]

約数ペア:

[(1, 81389122), (2, 40694561), (19, 4283638), (37, 2199706), (38, 2141819), (74, 1099853), (107, 760646), (214, 380323), (541, 150442), (703, 115774), (1082, 75221), (1406, 57887), (2033, 40034), (3959, 20558), (4066, 20017), (7918, 10279)]