2781112

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 5468400

約数和(自身を除く): 2687288

約数列:

[1, 2, 4, 8, 41, 61, 82, 122, 139, 164, 244, 278, 328, 488, 556, 1112, 2501, 5002, 5699, 8479, 10004, 11398, 16958, 20008, 22796, 33916, 45592, 67832, 347639, 695278, 1390556, 2781112]

約数ペア:

[(1, 2781112), (2, 1390556), (4, 695278), (8, 347639), (41, 67832), (61, 45592), (82, 33916), (122, 22796), (139, 20008), (164, 16958), (244, 11398), (278, 10004), (328, 8479), (488, 5699), (556, 5002), (1112, 2501)]