2403964

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{439}}^1$

素因数の和:517

約数の個数: 18

約数和(自身を含む): 4333560

約数和(自身を除く): 1929596

約数列:

[1, 2, 4, 37, 74, 148, 439, 878, 1369, 1756, 2738, 5476, 16243, 32486, 64972, 600991, 1201982, 2403964]

約数ペア:

[(1, 2403964), (2, 1201982), (4, 600991), (37, 64972), (74, 32486), (148, 16243), (439, 5476), (878, 2738), (1369, 1756)]