1389641

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:200

約数の個数: 16

約数和(自身を含む): 1636800

約数和(自身を除く): 247159

約数列:

[1, 11, 19, 61, 109, 209, 671, 1159, 1199, 2071, 6649, 12749, 22781, 73139, 126331, 1389641]

約数ペア:

[(1, 1389641), (11, 126331), (19, 73139), (61, 22781), (109, 12749), (209, 6649), (671, 2071), (1159, 1199)]