128889222

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{278981}}^1$

素因数の和:279004

約数の個数: 32

約数和(自身を含む): 321387264

約数和(自身を除く): 192498042

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 278981, 557962, 836943, 1673886, 1952867, 3068791, 3905734, 5858601, 6137582, 9206373, 11717202, 18412746, 21481537, 42963074, 64444611, 128889222]

約数ペア:

[(1, 128889222), (2, 64444611), (3, 42963074), (6, 21481537), (7, 18412746), (11, 11717202), (14, 9206373), (21, 6137582), (22, 5858601), (33, 3905734), (42, 3068791), (66, 1952867), (77, 1673886), (154, 836943), (231, 557962), (462, 278981)]