721289138

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{204563}}^1$

素因数の和:204649

約数の個数: 16

約数和(自身を含む): 1134102816

約数和(自身を除く): 412813678

約数列:

[1, 2, 41, 43, 82, 86, 1763, 3526, 204563, 409126, 8387083, 8796209, 16774166, 17592418, 360644569, 721289138]

約数ペア:

[(1, 721289138), (2, 360644569), (41, 17592418), (43, 16774166), (82, 8796209), (86, 8387083), (1763, 409126), (3526, 204563)]