208571810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{20113}}^1$

素因数の和:20198

約数の個数: 32

約数和(自身を含む): 404050032

約数和(自身を除く): 195478222

約数列:

[1, 2, 5, 10, 17, 34, 61, 85, 122, 170, 305, 610, 1037, 2074, 5185, 10370, 20113, 40226, 100565, 201130, 341921, 683842, 1226893, 1709605, 2453786, 3419210, 6134465, 12268930, 20857181, 41714362, 104285905, 208571810]

約数ペア:

[(1, 208571810), (2, 104285905), (5, 41714362), (10, 20857181), (17, 12268930), (34, 6134465), (61, 3419210), (85, 2453786), (122, 1709605), (170, 1226893), (305, 683842), (610, 341921), (1037, 201130), (2074, 100565), (5185, 40226), (10370, 20113)]