1291260786

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{390581}}^1$

素因数の和:390634

約数の個数: 32

約数和(自身を含む): 2812190400

約数和(自身を除く): 1520929614

約数列:

[1, 2, 3, 6, 19, 29, 38, 57, 58, 87, 114, 174, 551, 1102, 1653, 3306, 390581, 781162, 1171743, 2343486, 7421039, 11326849, 14842078, 22263117, 22653698, 33980547, 44526234, 67961094, 215210131, 430420262, 645630393, 1291260786]

約数ペア:

[(1, 1291260786), (2, 645630393), (3, 430420262), (6, 215210131), (19, 67961094), (29, 44526234), (38, 33980547), (57, 22653698), (58, 22263117), (87, 14842078), (114, 11326849), (174, 7421039), (551, 2343486), (1102, 1171743), (1653, 781162), (3306, 390581)]