17967891893

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{5099}}^1$

素因数の和:5681

約数の個数: 32

約数和(自身を含む): 21973248000

約数和(自身を除く): 4005356107

約数列:

[1, 7, 23, 43, 161, 301, 509, 989, 3563, 5099, 6923, 11707, 21887, 35693, 81949, 117277, 153209, 219257, 503401, 820939, 1534799, 2595391, 3523807, 5042911, 18167737, 35300377, 59693993, 111601813, 417857951, 781212691, 2566841699, 17967891893]

約数ペア:

[(1, 17967891893), (7, 2566841699), (23, 781212691), (43, 417857951), (161, 111601813), (301, 59693993), (509, 35300377), (989, 18167737), (3563, 5042911), (5099, 3523807), (6923, 2595391), (11707, 1534799), (21887, 820939), (35693, 503401), (81949, 219257), (117277, 153209)]