217980098

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{420811}}^1$

素因数の和:420857

約数の個数: 16

約数和(自身を含む): 383780544

約数和(自身を除く): 165800446

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 420811, 841622, 2945677, 5891354, 15570007, 31140014, 108990049, 217980098]

約数ペア:

[(1, 217980098), (2, 108990049), (7, 31140014), (14, 15570007), (37, 5891354), (74, 2945677), (259, 841622), (518, 420811)]