71440204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^2$

素因数の和:454

約数の個数: 36

約数和(自身を含む): 140417928

約数和(自身を除く): 68977724

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 199, 398, 451, 796, 902, 1804, 2189, 4378, 8159, 8756, 16318, 32636, 39601, 79202, 89749, 158404, 179498, 358996, 435611, 871222, 1623641, 1742444, 3247282, 6494564, 17860051, 35720102, 71440204]

約数ペア:

[(1, 71440204), (2, 35720102), (4, 17860051), (11, 6494564), (22, 3247282), (41, 1742444), (44, 1623641), (82, 871222), (164, 435611), (199, 358996), (398, 179498), (451, 158404), (796, 89749), (902, 79202), (1804, 39601), (2189, 32636), (4378, 16318), (8159, 8756)]