639611842

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{1091}}^1$

素因数の和:1554

約数の個数: 32

約数和(自身を含む): 1043025984

約数和(自身を除く): 403414142

約数列:

[1, 2, 17, 34, 43, 86, 401, 731, 802, 1091, 1462, 2182, 6817, 13634, 17243, 18547, 34486, 37094, 46913, 93826, 293131, 437491, 586262, 797521, 874982, 1595042, 7437347, 14874694, 18812113, 37624226, 319805921, 639611842]

約数ペア:

[(1, 639611842), (2, 319805921), (17, 37624226), (34, 18812113), (43, 14874694), (86, 7437347), (401, 1595042), (731, 874982), (802, 797521), (1091, 586262), (1462, 437491), (2182, 293131), (6817, 93826), (13634, 46913), (17243, 37094), (18547, 34486)]