81445756

素因数分解:

$2^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{10501}}^1$

素因数の和:10789

約数の個数: 24

約数和(自身を含む): 163495136

約数和(自身を除く): 82049380

約数列:

[1, 2, 4, 7, 14, 28, 277, 554, 1108, 1939, 3878, 7756, 10501, 21002, 42004, 73507, 147014, 294028, 2908777, 5817554, 11635108, 20361439, 40722878, 81445756]

約数ペア:

[(1, 81445756), (2, 40722878), (4, 20361439), (7, 11635108), (14, 5817554), (28, 2908777), (277, 294028), (554, 147014), (1108, 73507), (1939, 42004), (3878, 21002), (7756, 10501)]