291213538

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1890997}}^1$

素因数の和:1891017

約数の個数: 16

約数和(自身を含む): 544607424

約数和(自身を除く): 253393886

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 1890997, 3781994, 13236979, 20800967, 26473958, 41601934, 145606769, 291213538]

約数ペア:

[(1, 291213538), (2, 145606769), (7, 41601934), (11, 26473958), (14, 20800967), (22, 13236979), (77, 3781994), (154, 1890997)]