139435996

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{81637}}^1$

素因数の和:81709

約数の個数: 24

約数和(自身を含む): 283447136

約数和(自身を除く): 144011140

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 81637, 163274, 326548, 571459, 1142918, 2285836, 4979857, 9959714, 19919428, 34858999, 69717998, 139435996]

約数ペア:

[(1, 139435996), (2, 69717998), (4, 34858999), (7, 19919428), (14, 9959714), (28, 4979857), (61, 2285836), (122, 1142918), (244, 571459), (427, 326548), (854, 163274), (1708, 81637)]