81418644

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{769}}^1$

素因数の和:969

約数の個数: 72

約数和(自身を含む): 219459240

約数和(自身を除く): 138040596

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 173, 204, 306, 346, 519, 612, 692, 769, 1038, 1538, 1557, 2076, 2307, 2941, 3076, 3114, 4614, 5882, 6228, 6921, 8823, 9228, 11764, 13073, 13842, 17646, 26146, 26469, 27684, 35292, 39219, 52292, 52938, 78438, 105876, 117657, 133037, 156876, 235314, 266074, 399111, 470628, 532148, 798222, 1197333, 1596444, 2261629, 2394666, 4523258, 4789332, 6784887, 9046516, 13569774, 20354661, 27139548, 40709322, 81418644]

約数ペア:

[(1, 81418644), (2, 40709322), (3, 27139548), (4, 20354661), (6, 13569774), (9, 9046516), (12, 6784887), (17, 4789332), (18, 4523258), (34, 2394666), (36, 2261629), (51, 1596444), (68, 1197333), (102, 798222), (153, 532148), (173, 470628), (204, 399111), (306, 266074), (346, 235314), (519, 156876), (612, 133037), (692, 117657), (769, 105876), (1038, 78438), (1538, 52938), (1557, 52292), (2076, 39219), (2307, 35292), (2941, 27684), (3076, 26469), (3114, 26146), (4614, 17646), (5882, 13842), (6228, 13073), (6921, 11764), (8823, 9228)]