78789674

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 128456064

約数和(自身を除く): 49666390

約数列:

[1, 2, 23, 43, 46, 61, 86, 122, 653, 989, 1306, 1403, 1978, 2623, 2806, 5246, 15019, 28079, 30038, 39833, 56158, 60329, 79666, 120658, 645817, 916159, 1291634, 1712819, 1832318, 3425638, 39394837, 78789674]

約数ペア:

[(1, 78789674), (2, 39394837), (23, 3425638), (43, 1832318), (46, 1712819), (61, 1291634), (86, 916159), (122, 645817), (653, 120658), (989, 79666), (1306, 60329), (1403, 56158), (1978, 39833), (2623, 30038), (2806, 28079), (5246, 15019)]