40966358

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 66528000

約数和(自身を除く): 25561642

約数列:

[1, 2, 23, 43, 46, 86, 139, 149, 278, 298, 989, 1978, 3197, 3427, 5977, 6394, 6407, 6854, 11954, 12814, 20711, 41422, 137471, 147361, 274942, 294722, 476353, 890573, 952706, 1781146, 20483179, 40966358]

約数ペア:

[(1, 40966358), (2, 20483179), (23, 1781146), (43, 952706), (46, 890573), (86, 476353), (139, 294722), (149, 274942), (278, 147361), (298, 137471), (989, 41422), (1978, 20711), (3197, 12814), (3427, 11954), (5977, 6854), (6394, 6407)]