7142278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 13518576

約数和(自身を除く): 6376298

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 113, 143, 169, 187, 221, 226, 286, 338, 374, 442, 1243, 1469, 1859, 1921, 2431, 2486, 2873, 2938, 3718, 3842, 4862, 5746, 16159, 19097, 21131, 24973, 31603, 32318, 38194, 42262, 49946, 63206, 210067, 274703, 324649, 420134, 549406, 649298, 3571139, 7142278]

約数ペア:

[(1, 7142278), (2, 3571139), (11, 649298), (13, 549406), (17, 420134), (22, 324649), (26, 274703), (34, 210067), (113, 63206), (143, 49946), (169, 42262), (187, 38194), (221, 32318), (226, 31603), (286, 24973), (338, 21131), (374, 19097), (442, 16159), (1243, 5746), (1469, 4862), (1859, 3842), (1921, 3718), (2431, 2938), (2486, 2873)]