2681945

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 32

約数和(自身を含む): 4012800

約数和(自身を除く): 1330855

約数列:

[1, 5, 7, 19, 35, 37, 95, 109, 133, 185, 259, 545, 665, 703, 763, 1295, 2071, 3515, 3815, 4033, 4921, 10355, 14497, 20165, 24605, 28231, 72485, 76627, 141155, 383135, 536389, 2681945]

約数ペア:

[(1, 2681945), (5, 536389), (7, 383135), (19, 141155), (35, 76627), (37, 72485), (95, 28231), (109, 24605), (133, 20165), (185, 14497), (259, 10355), (545, 4921), (665, 4033), (703, 3815), (763, 3515), (1295, 2071)]