81473476

素因数分解:

$2^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1449

約数の個数: 48

約数和(自身を含む): 170262400

約数和(自身を除く): 88788924

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 343, 602, 686, 1204, 1372, 1381, 2107, 2762, 4214, 5524, 8428, 9667, 14749, 19334, 29498, 38668, 58996, 59383, 67669, 118766, 135338, 237532, 270676, 415681, 473683, 831362, 947366, 1662724, 1894732, 2909767, 5819534, 11639068, 20368369, 40736738, 81473476]

約数ペア:

[(1, 81473476), (2, 40736738), (4, 20368369), (7, 11639068), (14, 5819534), (28, 2909767), (43, 1894732), (49, 1662724), (86, 947366), (98, 831362), (172, 473683), (196, 415681), (301, 270676), (343, 237532), (602, 135338), (686, 118766), (1204, 67669), (1372, 59383), (1381, 58996), (2107, 38668), (2762, 29498), (4214, 19334), (5524, 14749), (8428, 9667)]