256090318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{3323}}^1$

素因数の和:3480

約数の個数: 32

約数和(自身を含む): 436534272

約数和(自身を除く): 180443954

約数列:

[1, 2, 11, 22, 31, 62, 113, 226, 341, 682, 1243, 2486, 3323, 3503, 6646, 7006, 36553, 38533, 73106, 77066, 103013, 206026, 375499, 750998, 1133143, 2266286, 4130489, 8260978, 11640469, 23280938, 128045159, 256090318]

約数ペア:

[(1, 256090318), (2, 128045159), (11, 23280938), (22, 11640469), (31, 8260978), (62, 4130489), (113, 2266286), (226, 1133143), (341, 750998), (682, 375499), (1243, 206026), (2486, 103013), (3323, 77066), (3503, 73106), (6646, 38533), (7006, 36553)]