291258944860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{15777841}}^1$

素因数の和:15777934

約数の個数: 48

約数和(自身を含む): 667970718912

約数和(自身を除く): 376711774052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 15777841, 31555682, 63111364, 78889205, 157778410, 205111933, 315556820, 410223866, 820447732, 1025559665, 1120226711, 2051119330, 2240453422, 4102238660, 4480906844, 5601133555, 11202267110, 14562947243, 22404534220, 29125894486, 58251788972, 72814736215, 145629472430, 291258944860]

約数ペア:

[(1, 291258944860), (2, 145629472430), (4, 72814736215), (5, 58251788972), (10, 29125894486), (13, 22404534220), (20, 14562947243), (26, 11202267110), (52, 5601133555), (65, 4480906844), (71, 4102238660), (130, 2240453422), (142, 2051119330), (260, 1120226711), (284, 1025559665), (355, 820447732), (710, 410223866), (923, 315556820), (1420, 205111933), (1846, 157778410), (3692, 78889205), (4615, 63111364), (9230, 31555682), (18460, 15777841)]