71685404

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1061}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 152248320

約数和(自身を除く): 80562916

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 127, 133, 254, 266, 508, 532, 889, 1061, 1778, 2122, 2413, 3556, 4244, 4826, 7427, 9652, 14854, 16891, 20159, 29708, 33782, 40318, 67564, 80636, 134747, 141113, 269494, 282226, 538988, 564452, 943229, 1886458, 2560193, 3772916, 5120386, 10240772, 17921351, 35842702, 71685404]

約数ペア:

[(1, 71685404), (2, 35842702), (4, 17921351), (7, 10240772), (14, 5120386), (19, 3772916), (28, 2560193), (38, 1886458), (76, 943229), (127, 564452), (133, 538988), (254, 282226), (266, 269494), (508, 141113), (532, 134747), (889, 80636), (1061, 67564), (1778, 40318), (2122, 33782), (2413, 29708), (3556, 20159), (4244, 16891), (4826, 14854), (7427, 9652)]