78320872

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{7727}}^1$

素因数の和:7921

約数の個数: 32

約数和(自身を含む): 168779520

約数和(自身を除く): 90458648

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 1267, 1448, 2534, 5068, 7727, 10136, 15454, 30908, 54089, 61816, 108178, 216356, 432712, 1398587, 2797174, 5594348, 9790109, 11188696, 19580218, 39160436, 78320872]

約数ペア:

[(1, 78320872), (2, 39160436), (4, 19580218), (7, 11188696), (8, 9790109), (14, 5594348), (28, 2797174), (56, 1398587), (181, 432712), (362, 216356), (724, 108178), (1267, 61816), (1448, 54089), (2534, 30908), (5068, 15454), (7727, 10136)]