389041597

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 468762624

約数和(自身を除く): 79721027

約数列:

[1, 7, 43, 67, 101, 191, 301, 469, 707, 1337, 2881, 4343, 6767, 8213, 12797, 19291, 20167, 30401, 47369, 57491, 89579, 135037, 290981, 550271, 829513, 1292497, 2036867, 3851897, 5806591, 9047479, 55577371, 389041597]

約数ペア:

[(1, 389041597), (7, 55577371), (43, 9047479), (67, 5806591), (101, 3851897), (191, 2036867), (301, 1292497), (469, 829513), (707, 550271), (1337, 290981), (2881, 135037), (4343, 89579), (6767, 57491), (8213, 47369), (12797, 30401), (19291, 20167)]