81187342

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1153}}^1$

素因数の和:1300

約数の個数: 32

約数和(自身を含む): 137095200

約数和(自身を除く): 55907858

約数列:

[1, 2, 17, 19, 34, 38, 109, 218, 323, 646, 1153, 1853, 2071, 2306, 3706, 4142, 19601, 21907, 35207, 39202, 43814, 70414, 125677, 251354, 372419, 744838, 2136509, 2387863, 4273018, 4775726, 40593671, 81187342]

約数ペア:

[(1, 81187342), (2, 40593671), (17, 4775726), (19, 4273018), (34, 2387863), (38, 2136509), (109, 744838), (218, 372419), (323, 251354), (646, 125677), (1153, 70414), (1853, 43814), (2071, 39202), (2306, 35207), (3706, 21907), (4142, 19601)]