138990388

素因数分解:

$2^2\times {\mathrm{29}}^2\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:664

約数の個数: 36

約数和(自身を含む): 255586240

約数和(自身を除く): 116595852

約数列:

[1, 2, 4, 29, 58, 79, 116, 158, 316, 523, 841, 1046, 1682, 2092, 2291, 3364, 4582, 9164, 15167, 30334, 41317, 60668, 66439, 82634, 132878, 165268, 265756, 439843, 879686, 1198193, 1759372, 2396386, 4792772, 34747597, 69495194, 138990388]

約数ペア:

[(1, 138990388), (2, 69495194), (4, 34747597), (29, 4792772), (58, 2396386), (79, 1759372), (116, 1198193), (158, 879686), (316, 439843), (523, 265756), (841, 165268), (1046, 132878), (1682, 82634), (2092, 66439), (2291, 60668), (3364, 41317), (4582, 30334), (9164, 15167)]