1978139236

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{71807}}^1$

素因数の和:71979

約数の個数: 24

約数和(自身を含む): 3546740736

約数和(自身を除く): 1568601500

約数列:

[1, 2, 4, 71, 97, 142, 194, 284, 388, 6887, 13774, 27548, 71807, 143614, 287228, 5098297, 6965279, 10196594, 13930558, 20393188, 27861116, 494534809, 989069618, 1978139236]

約数ペア:

[(1, 1978139236), (2, 989069618), (4, 494534809), (71, 27861116), (97, 20393188), (142, 13930558), (194, 10196594), (284, 6965279), (388, 5098297), (6887, 287228), (13774, 143614), (27548, 71807)]