399934658

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{2239}}^1$

素因数の和:2382

約数の個数: 32

約数和(自身を含む): 643399680

約数和(自身を除く): 243465022

約数列:

[1, 2, 31, 43, 62, 67, 86, 134, 1333, 2077, 2239, 2666, 2881, 4154, 4478, 5762, 69409, 89311, 96277, 138818, 150013, 178622, 192554, 300026, 2984587, 4650403, 5969174, 6450559, 9300806, 12901118, 199967329, 399934658]

約数ペア:

[(1, 399934658), (2, 199967329), (31, 12901118), (43, 9300806), (62, 6450559), (67, 5969174), (86, 4650403), (134, 2984587), (1333, 300026), (2077, 192554), (2239, 178622), (2666, 150013), (2881, 138818), (4154, 96277), (4478, 89311), (5762, 69409)]