39881324

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{10247}}^1$

素因数の和:10397

約数の個数: 24

約数和(自身を含む): 80344320

約数和(自身を除く): 40462996

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 10247, 20494, 40988, 71729, 143458, 286916, 1424333, 2848666, 5697332, 9970331, 19940662, 39881324]

約数ペア:

[(1, 39881324), (2, 19940662), (4, 9970331), (7, 5697332), (14, 2848666), (28, 1424333), (139, 286916), (278, 143458), (556, 71729), (973, 40988), (1946, 20494), (3892, 10247)]