998889232

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{138427}}^1$

素因数の和:138487

約数の個数: 40

約数和(自身を含む): 2162799072

約数和(自身を除く): 1163909840

約数列:

[1, 2, 4, 8, 11, 16, 22, 41, 44, 82, 88, 164, 176, 328, 451, 656, 902, 1804, 3608, 7216, 138427, 276854, 553708, 1107416, 1522697, 2214832, 3045394, 5675507, 6090788, 11351014, 12181576, 22702028, 24363152, 45404056, 62430577, 90808112, 124861154, 249722308, 499444616, 998889232]

約数ペア:

[(1, 998889232), (2, 499444616), (4, 249722308), (8, 124861154), (11, 90808112), (16, 62430577), (22, 45404056), (41, 24363152), (44, 22702028), (82, 12181576), (88, 11351014), (164, 6090788), (176, 5675507), (328, 3045394), (451, 2214832), (656, 1522697), (902, 1107416), (1804, 553708), (3608, 276854), (7216, 138427)]