2640193348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{399787}}^1$

素因数の和:399931

約数の個数: 24

約数和(自身を含む): 5014940672

約数和(自身を除く): 2374747324

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3302, 6604, 399787, 799574, 1599148, 5197231, 10394462, 20788924, 50772949, 101545898, 203091796, 660048337, 1320096674, 2640193348]

約数ペア:

[(1, 2640193348), (2, 1320096674), (4, 660048337), (13, 203091796), (26, 101545898), (52, 50772949), (127, 20788924), (254, 10394462), (508, 5197231), (1651, 1599148), (3302, 799574), (6604, 399787)]