219770383679

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{17727707}}^1$

素因数の和:17727755

約数の個数: 24

約数和(自身を含む): 291018054528

約数和(自身を除く): 71247670849

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 12397, 17727707, 124093949, 195004777, 407737261, 868657643, 1365033439, 2854160827, 4485109871, 9555234073, 19979125789, 31395769097, 219770383679]

約数ペア:

[(1, 219770383679), (7, 31395769097), (11, 19979125789), (23, 9555234073), (49, 4485109871), (77, 2854160827), (161, 1365033439), (253, 868657643), (539, 407737261), (1127, 195004777), (1771, 124093949), (12397, 17727707)]