221647538

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1\times {\mathrm{1129}}^1$

素因数の和:1554

約数の個数: 32

約数和(自身を含む): 391612800

約数和(自身を除く): 169965262

約数列:

[1, 2, 7, 14, 37, 74, 259, 379, 518, 758, 1129, 2258, 2653, 5306, 7903, 14023, 15806, 28046, 41773, 83546, 98161, 196322, 292411, 427891, 584822, 855782, 2995237, 5990474, 15831967, 31663934, 110823769, 221647538]

約数ペア:

[(1, 221647538), (2, 110823769), (7, 31663934), (14, 15831967), (37, 5990474), (74, 2995237), (259, 855782), (379, 584822), (518, 427891), (758, 292411), (1129, 196322), (2258, 98161), (2653, 83546), (5306, 41773), (7903, 28046), (14023, 15806)]