257302921

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 291110400

約数和(自身を除く): 33807479

約数列:

[1, 19, 37, 41, 79, 113, 703, 779, 1501, 1517, 2147, 2923, 3239, 4181, 4633, 8927, 28823, 55537, 61541, 79439, 88027, 119843, 169613, 171421, 330299, 366007, 2277017, 3256999, 6275681, 6954133, 13542259, 257302921]

約数ペア:

[(1, 257302921), (19, 13542259), (37, 6954133), (41, 6275681), (79, 3256999), (113, 2277017), (703, 366007), (779, 330299), (1501, 171421), (1517, 169613), (2147, 119843), (2923, 88027), (3239, 79439), (4181, 61541), (4633, 55537), (8927, 28823)]