207983996

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{429719}}^1$

素因数の和:429745

約数の個数: 18

約数和(自身を含む): 400069320

約数和(自身を除く): 192085324

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 429719, 859438, 1718876, 4726909, 9453818, 18907636, 51995999, 103991998, 207983996]

約数ペア:

[(1, 207983996), (2, 103991998), (4, 51995999), (11, 18907636), (22, 9453818), (44, 4726909), (121, 1718876), (242, 859438), (484, 429719)]