138901708

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{286987}}^1$

素因数の和:287013

約数の個数: 18

約数和(自身を含む): 267185828

約数和(自身を除く): 128284120

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 286987, 573974, 1147948, 3156857, 6313714, 12627428, 34725427, 69450854, 138901708]

約数ペア:

[(1, 138901708), (2, 69450854), (4, 34725427), (11, 12627428), (22, 6313714), (44, 3156857), (121, 1147948), (242, 573974), (484, 286987)]