642912148

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{48809}}^1$

素因数の和:48939

約数の個数: 24

約数和(自身を含む): 1168511400

約数和(自身を除く): 525599252

約数列:

[1, 2, 4, 37, 74, 89, 148, 178, 356, 3293, 6586, 13172, 48809, 97618, 195236, 1805933, 3611866, 4344001, 7223732, 8688002, 17376004, 160728037, 321456074, 642912148]

約数ペア:

[(1, 642912148), (2, 321456074), (4, 160728037), (37, 17376004), (74, 8688002), (89, 7223732), (148, 4344001), (178, 3611866), (356, 1805933), (3293, 195236), (6586, 97618), (13172, 48809)]