31239378

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{2251}}^1$

素因数の和:2519

約数の個数: 32

約数和(自身を含む): 69721920

約数和(自身を除く): 38482542

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1542, 2251, 2313, 4502, 4626, 6753, 6939, 13506, 13878, 20259, 40518, 60777, 121554, 578507, 1157014, 1735521, 3471042, 5206563, 10413126, 15619689, 31239378]

約数ペア:

[(1, 31239378), (2, 15619689), (3, 10413126), (6, 5206563), (9, 3471042), (18, 1735521), (27, 1157014), (54, 578507), (257, 121554), (514, 60777), (771, 40518), (1542, 20259), (2251, 13878), (2313, 13506), (4502, 6939), (4626, 6753)]