2578828

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2971}}^1$

素因数の和:3013

約数の個数: 24

約数和(自身を含む): 5325824

約数和(自身を除く): 2746996

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 2971, 5942, 11884, 20797, 41594, 83188, 92101, 184202, 368404, 644707, 1289414, 2578828]

約数ペア:

[(1, 2578828), (2, 1289414), (4, 644707), (7, 368404), (14, 184202), (28, 92101), (31, 83188), (62, 41594), (124, 20797), (217, 11884), (434, 5942), (868, 2971)]