991812912

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{1215457}}^1$

素因数の和:1215485

約数の個数: 40

約数和(自身を含む): 2712902256

約数和(自身を除く): 1721089344

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 1215457, 2430914, 3646371, 4861828, 7292742, 9723656, 14585484, 19447312, 20662769, 29170968, 41325538, 58341936, 61988307, 82651076, 123976614, 165302152, 247953228, 330604304, 495906456, 991812912]

約数ペア:

[(1, 991812912), (2, 495906456), (3, 330604304), (4, 247953228), (6, 165302152), (8, 123976614), (12, 82651076), (16, 61988307), (17, 58341936), (24, 41325538), (34, 29170968), (48, 20662769), (51, 19447312), (68, 14585484), (102, 9723656), (136, 7292742), (204, 4861828), (272, 3646371), (408, 2430914), (816, 1215457)]