489780172

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{196541}}^1$

素因数の和:196641

約数の個数: 24

約数和(自身を含む): 990571680

約数和(自身を除く): 500791508

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 196541, 393082, 786164, 1375787, 2751574, 5503148, 17492149, 34984298, 69968596, 122445043, 244890086, 489780172]

約数ペア:

[(1, 489780172), (2, 244890086), (4, 122445043), (7, 69968596), (14, 34984298), (28, 17492149), (89, 5503148), (178, 2751574), (356, 1375787), (623, 786164), (1246, 393082), (2492, 196541)]