78478988

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{13807}}^1$

素因数の和:13854

約数の個数: 36

約数和(自身を含む): 165281760

約数和(自身を除く): 86802772

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 5684, 13807, 27614, 55228, 96649, 193298, 386596, 400403, 676543, 800806, 1353086, 1601612, 2706172, 2802821, 5605642, 11211284, 19619747, 39239494, 78478988]

約数ペア:

[(1, 78478988), (2, 39239494), (4, 19619747), (7, 11211284), (14, 5605642), (28, 2802821), (29, 2706172), (49, 1601612), (58, 1353086), (98, 800806), (116, 676543), (196, 400403), (203, 386596), (406, 193298), (812, 96649), (1421, 55228), (2842, 27614), (5684, 13807)]