7240012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 14478912

約数和(自身を除く): 7238900

約数列:

[1, 2, 4, 13, 26, 37, 52, 53, 71, 74, 106, 142, 148, 212, 284, 481, 689, 923, 962, 1378, 1846, 1924, 1961, 2627, 2756, 3692, 3763, 3922, 5254, 7526, 7844, 10508, 15052, 25493, 34151, 48919, 50986, 68302, 97838, 101972, 136604, 139231, 195676, 278462, 556924, 1810003, 3620006, 7240012]

約数ペア:

[(1, 7240012), (2, 3620006), (4, 1810003), (13, 556924), (26, 278462), (37, 195676), (52, 139231), (53, 136604), (71, 101972), (74, 97838), (106, 68302), (142, 50986), (148, 48919), (212, 34151), (284, 25493), (481, 15052), (689, 10508), (923, 7844), (962, 7526), (1378, 5254), (1846, 3922), (1924, 3763), (1961, 3692), (2627, 2756)]