257488198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1\times {\mathrm{613}}^1$

素因数の和:1000

約数の個数: 32

約数和(自身を含む): 430320672

約数和(自身を除く): 172832474

約数列:

[1, 2, 11, 22, 61, 122, 313, 613, 626, 671, 1226, 1342, 3443, 6743, 6886, 13486, 19093, 37393, 38186, 74786, 191869, 210023, 383738, 411323, 420046, 822646, 2110559, 4221118, 11704009, 23408018, 128744099, 257488198]

約数ペア:

[(1, 257488198), (2, 128744099), (11, 23408018), (22, 11704009), (61, 4221118), (122, 2110559), (313, 822646), (613, 420046), (626, 411323), (671, 383738), (1226, 210023), (1342, 191869), (3443, 74786), (6743, 38186), (6886, 37393), (13486, 19093)]