71225665

素因数分解:

$5^1\times 7^4\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:399

約数の個数: 40

約数和(自身を含む): 105877800

約数和(自身を除く): 34652135

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 343, 349, 595, 833, 1715, 1745, 2401, 2443, 4165, 5831, 5933, 12005, 12215, 17101, 29155, 29665, 40817, 41531, 85505, 119707, 204085, 207655, 290717, 598535, 837949, 1453585, 2035019, 4189745, 10175095, 14245133, 71225665]

約数ペア:

[(1, 71225665), (5, 14245133), (7, 10175095), (17, 4189745), (35, 2035019), (49, 1453585), (85, 837949), (119, 598535), (245, 290717), (343, 207655), (349, 204085), (595, 119707), (833, 85505), (1715, 41531), (1745, 40817), (2401, 29665), (2443, 29155), (4165, 17101), (5831, 12215), (5933, 12005)]