8215702672

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{1109}}^1$

素因数の和:1672

約数の個数: 80

約数和(自身を含む): 17065157760

約数和(自身を除く): 8849455088

約数列:

[1, 2, 4, 8, 16, 23, 41, 46, 82, 92, 164, 184, 328, 368, 491, 656, 943, 982, 1109, 1886, 1964, 2218, 3772, 3928, 4436, 7544, 7856, 8872, 11293, 15088, 17744, 20131, 22586, 25507, 40262, 45172, 45469, 51014, 80524, 90344, 90938, 102028, 161048, 180688, 181876, 204056, 322096, 363752, 408112, 463013, 544519, 727504, 926026, 1045787, 1089038, 1852052, 2091574, 2178076, 3704104, 4183148, 4356152, 7408208, 8366296, 8712304, 12523937, 16732592, 22325279, 25047874, 44650558, 50095748, 89301116, 100191496, 178602232, 200382992, 357204464, 513481417, 1026962834, 2053925668, 4107851336, 8215702672]

約数ペア:

[(1, 8215702672), (2, 4107851336), (4, 2053925668), (8, 1026962834), (16, 513481417), (23, 357204464), (41, 200382992), (46, 178602232), (82, 100191496), (92, 89301116), (164, 50095748), (184, 44650558), (328, 25047874), (368, 22325279), (491, 16732592), (656, 12523937), (943, 8712304), (982, 8366296), (1109, 7408208), (1886, 4356152), (1964, 4183148), (2218, 3704104), (3772, 2178076), (3928, 2091574), (4436, 1852052), (7544, 1089038), (7856, 1045787), (8872, 926026), (11293, 727504), (15088, 544519), (17744, 463013), (20131, 408112), (22586, 363752), (25507, 322096), (40262, 204056), (45172, 181876), (45469, 180688), (51014, 161048), (80524, 102028), (90344, 90938)]