990722936

素因数分解:

$2^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{139303}}^1$

素因数の和:139443

約数の個数: 32

約数和(自身を含む): 2139709440

約数和(自身を除く): 1148986504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 127, 254, 508, 889, 1016, 1778, 3556, 7112, 139303, 278606, 557212, 975121, 1114424, 1950242, 3900484, 7800968, 17691481, 35382962, 70765924, 123840367, 141531848, 247680734, 495361468, 990722936]

約数ペア:

[(1, 990722936), (2, 495361468), (4, 247680734), (7, 141531848), (8, 123840367), (14, 70765924), (28, 35382962), (56, 17691481), (127, 7800968), (254, 3900484), (508, 1950242), (889, 1114424), (1016, 975121), (1778, 557212), (3556, 278606), (7112, 139303)]