1380038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:583

約数の個数: 16

約数和(自身を含む): 2278800

約数和(自身を除く): 898762

約数列:

[1, 2, 11, 22, 149, 298, 421, 842, 1639, 3278, 4631, 9262, 62729, 125458, 690019, 1380038]

約数ペア:

[(1, 1380038), (2, 690019), (11, 125458), (22, 62729), (149, 9262), (298, 4631), (421, 3278), (842, 1639)]