39897865

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{139}}^2$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 56047680

約数和(自身を除く): 16149815

約数列:

[1, 5, 7, 35, 59, 139, 295, 413, 695, 973, 2065, 4865, 8201, 19321, 41005, 57407, 96605, 135247, 287035, 676235, 1139939, 5699695, 7979573, 39897865]

約数ペア:

[(1, 39897865), (5, 7979573), (7, 5699695), (35, 1139939), (59, 676235), (139, 287035), (295, 135247), (413, 96605), (695, 57407), (973, 41005), (2065, 19321), (4865, 8201)]