1331872409

素因数分解:

$7^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1\times {\mathrm{3557}}^1$

素因数の和:4072

約数の個数: 16

約数和(自身を含む): 1537056000

約数和(自身を除く): 205183591

約数列:

[1, 7, 149, 359, 1043, 2513, 3557, 24899, 53491, 374437, 529993, 1276963, 3709951, 8938741, 190267487, 1331872409]

約数ペア:

[(1, 1331872409), (7, 190267487), (149, 8938741), (359, 3709951), (1043, 1276963), (2513, 529993), (3557, 374437), (24899, 53491)]