131516138

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{20479}}^1$

素因数の和:20526

約数の個数: 24

約数和(自身を含む): 224870400

約数和(自身を除く): 93354262

約数列:

[1, 2, 13, 19, 26, 38, 169, 247, 338, 494, 3211, 6422, 20479, 40958, 266227, 389101, 532454, 778202, 3460951, 5058313, 6921902, 10116626, 65758069, 131516138]

約数ペア:

[(1, 131516138), (2, 65758069), (13, 10116626), (19, 6921902), (26, 5058313), (38, 3460951), (169, 778202), (247, 532454), (338, 389101), (494, 266227), (3211, 40958), (6422, 20479)]