66885973

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1381}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 90747648

約数和(自身を除く): 23861675

約数列:

[1, 7, 11, 17, 37, 77, 119, 187, 259, 407, 629, 1309, 1381, 2849, 4403, 6919, 9667, 15191, 23477, 48433, 51097, 106337, 164339, 258247, 357679, 562067, 868649, 1807729, 3934469, 6080543, 9555139, 66885973]

約数ペア:

[(1, 66885973), (7, 9555139), (11, 6080543), (17, 3934469), (37, 1807729), (77, 868649), (119, 562067), (187, 357679), (259, 258247), (407, 164339), (629, 106337), (1309, 51097), (1381, 48433), (2849, 23477), (4403, 15191), (6919, 9667)]