1212622978

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{123209}}^1$

素因数の和:123274

約数の個数: 32

約数和(自身を含む): 2247350400

約数和(自身を除く): 1034727422

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 259, 266, 518, 703, 1406, 4921, 9842, 123209, 246418, 862463, 1724926, 2340971, 4558733, 4681942, 9117466, 16386797, 31911131, 32773594, 63822262, 86615927, 173231854, 606311489, 1212622978]

約数ペア:

[(1, 1212622978), (2, 606311489), (7, 173231854), (14, 86615927), (19, 63822262), (37, 32773594), (38, 31911131), (74, 16386797), (133, 9117466), (259, 4681942), (266, 4558733), (518, 2340971), (703, 1724926), (1406, 862463), (4921, 246418), (9842, 123209)]