81156556852

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4243}}^1\times {\mathrm{8647}}^1$

素因数の和:12980

約数の個数: 48

約数和(自身を含む): 164425461760

約数和(自身を除く): 83268904908

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 4243, 8486, 8647, 16972, 17294, 29701, 34588, 59402, 60529, 118804, 121058, 242116, 335197, 670394, 683113, 1340788, 1366226, 2346379, 2732452, 4692758, 4781791, 9385516, 9563582, 19127164, 36689221, 73378442, 146756884, 256824547, 513649094, 1027298188, 2898448459, 5796896918, 11593793836, 20289139213, 40578278426, 81156556852]

約数ペア:

[(1, 81156556852), (2, 40578278426), (4, 20289139213), (7, 11593793836), (14, 5796896918), (28, 2898448459), (79, 1027298188), (158, 513649094), (316, 256824547), (553, 146756884), (1106, 73378442), (2212, 36689221), (4243, 19127164), (8486, 9563582), (8647, 9385516), (16972, 4781791), (17294, 4692758), (29701, 2732452), (34588, 2346379), (59402, 1366226), (60529, 1340788), (118804, 683113), (121058, 670394), (242116, 335197)]