221203892

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{607703}}^1$

素因数の和:607727

約数の個数: 24

約数和(自身を含む): 476439936

約数和(自身を除く): 255236044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 607703, 1215406, 2430812, 4253921, 7900139, 8507842, 15800278, 17015684, 31600556, 55300973, 110601946, 221203892]

約数ペア:

[(1, 221203892), (2, 110601946), (4, 55300973), (7, 31600556), (13, 17015684), (14, 15800278), (26, 8507842), (28, 7900139), (52, 4253921), (91, 2430812), (182, 1215406), (364, 607703)]