818998906

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{359}}^1\times {\mathrm{857}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 1356600960

約数和(自身を除く): 537602054

約数列:

[1, 2, 11, 22, 121, 242, 359, 718, 857, 1331, 1714, 2662, 3949, 7898, 9427, 18854, 43439, 86878, 103697, 207394, 307663, 477829, 615326, 955658, 1140667, 2281334, 3384293, 6768586, 37227223, 74454446, 409499453, 818998906]

約数ペア:

[(1, 818998906), (2, 409499453), (11, 74454446), (22, 37227223), (121, 6768586), (242, 3384293), (359, 2281334), (718, 1140667), (857, 955658), (1331, 615326), (1714, 477829), (2662, 307663), (3949, 207394), (7898, 103697), (9427, 86878), (18854, 43439)]