2689385215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{1951}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 3582185472

約数和(自身を除く): 892800257

約数列:

[1, 5, 11, 55, 71, 353, 355, 781, 1765, 1951, 3883, 3905, 9755, 19415, 21461, 25063, 107305, 125315, 138521, 275693, 688703, 692605, 1378465, 1523731, 3443515, 7575733, 7618655, 37878665, 48897913, 244489565, 537877043, 2689385215]

約数ペア:

[(1, 2689385215), (5, 537877043), (11, 244489565), (55, 48897913), (71, 37878665), (353, 7618655), (355, 7575733), (781, 3443515), (1765, 1523731), (1951, 1378465), (3883, 692605), (3905, 688703), (9755, 275693), (19415, 138521), (21461, 125315), (25063, 107305)]