1278778886

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{361033}}^1$

素因数の和:361076

約数の個数: 32

約数和(自身を含む): 2495467008

約数和(自身を除く): 1216688122

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 1771, 3542, 361033, 722066, 2527231, 3971363, 5054462, 7942726, 8303759, 16607518, 27799541, 55599082, 58126313, 91341349, 116252626, 182682698, 639389443, 1278778886]

約数ペア:

[(1, 1278778886), (2, 639389443), (7, 182682698), (11, 116252626), (14, 91341349), (22, 58126313), (23, 55599082), (46, 27799541), (77, 16607518), (154, 8303759), (161, 7942726), (253, 5054462), (322, 3971363), (506, 2527231), (1771, 722066), (3542, 361033)]