31408988

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{479}}^1$

素因数の和:606

約数の個数: 36

約数和(自身を含む): 60258240

約数和(自身を除く): 28849252

約数列:

[1, 2, 4, 13, 26, 52, 97, 169, 194, 338, 388, 479, 676, 958, 1261, 1916, 2522, 5044, 6227, 12454, 16393, 24908, 32786, 46463, 65572, 80951, 92926, 161902, 185852, 323804, 604019, 1208038, 2416076, 7852247, 15704494, 31408988]

約数ペア:

[(1, 31408988), (2, 15704494), (4, 7852247), (13, 2416076), (26, 1208038), (52, 604019), (97, 323804), (169, 185852), (194, 161902), (338, 92926), (388, 80951), (479, 65572), (676, 46463), (958, 32786), (1261, 24908), (1916, 16393), (2522, 12454), (5044, 6227)]