1561378

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 3015936

約数和(自身を除く): 1454558

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 373, 598, 746, 2093, 2611, 4186, 4849, 5222, 8579, 9698, 17158, 33943, 60053, 67886, 111527, 120106, 223054, 780689, 1561378]

約数ペア:

[(1, 1561378), (2, 780689), (7, 223054), (13, 120106), (14, 111527), (23, 67886), (26, 60053), (46, 33943), (91, 17158), (161, 9698), (182, 8579), (299, 5222), (322, 4849), (373, 4186), (598, 2611), (746, 2093)]