886665988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{2011}}^1$

素因数の和:2228

約数の個数: 48

約数和(自身を含む): 1711487680

約数和(自身を除く): 824821692

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 139, 244, 278, 556, 793, 1586, 1807, 2011, 3172, 3614, 4022, 7228, 8044, 8479, 16958, 26143, 33916, 52286, 104572, 110227, 122671, 220454, 245342, 279529, 440908, 490684, 559058, 1118116, 1594723, 3189446, 3633877, 6378892, 7267754, 14535508, 17051269, 34102538, 68205076, 221666497, 443332994, 886665988]

約数ペア:

[(1, 886665988), (2, 443332994), (4, 221666497), (13, 68205076), (26, 34102538), (52, 17051269), (61, 14535508), (122, 7267754), (139, 6378892), (244, 3633877), (278, 3189446), (556, 1594723), (793, 1118116), (1586, 559058), (1807, 490684), (2011, 440908), (3172, 279529), (3614, 245342), (4022, 220454), (7228, 122671), (8044, 110227), (8479, 104572), (16958, 52286), (26143, 33916)]