206519385890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1214819917}}^1$

素因数の和:1214819941

約数の個数: 16

約数和(自身を含む): 393601653432

約数和(自身を除く): 187082267542

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1214819917, 2429639834, 6074099585, 12148199170, 20651938589, 41303877178, 103259692945, 206519385890]

約数ペア:

[(1, 206519385890), (2, 103259692945), (5, 41303877178), (10, 20651938589), (17, 12148199170), (34, 6074099585), (85, 2429639834), (170, 1214819917)]