321993412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{56809}}^1$

素因数の和:56935

約数の個数: 24

約数和(自身を含む): 612411800

約数和(自身を除く): 290418388

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 5668, 56809, 113618, 227236, 738517, 1477034, 2954068, 6192181, 12384362, 24768724, 80498353, 160996706, 321993412]

約数ペア:

[(1, 321993412), (2, 160996706), (4, 80498353), (13, 24768724), (26, 12384362), (52, 6192181), (109, 2954068), (218, 1477034), (436, 738517), (1417, 227236), (2834, 113618), (5668, 56809)]