253490510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{278561}}^1$

素因数の和:278588

約数の個数: 32

約数和(自身を含む): 561580992

約数和(自身を除く): 308090482

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 278561, 557122, 1392805, 1949927, 2785610, 3621293, 3899854, 7242586, 9749635, 18106465, 19499270, 25349051, 36212930, 50698102, 126745255, 253490510]

約数ペア:

[(1, 253490510), (2, 126745255), (5, 50698102), (7, 36212930), (10, 25349051), (13, 19499270), (14, 18106465), (26, 9749635), (35, 7242586), (65, 3899854), (70, 3621293), (91, 2785610), (130, 1949927), (182, 1392805), (455, 557122), (910, 278561)]