1389974610815

素因数分解:

$5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1021}}^1\times {\mathrm{87803}}^1$

素因数の和:89279

約数の個数: 32

約数和(自身を含む): 1912446982656

約数和(自身を除く): 522472371841

約数列:

[1, 5, 7, 35, 443, 1021, 2215, 3101, 5105, 7147, 15505, 35735, 87803, 439015, 452303, 614621, 2261515, 3073105, 3166121, 15830605, 38896729, 89646863, 194483645, 272277103, 448234315, 627528041, 1361385515, 3137640205, 39713560309, 198567801545, 277994922163, 1389974610815]

約数ペア:

[(1, 1389974610815), (5, 277994922163), (7, 198567801545), (35, 39713560309), (443, 3137640205), (1021, 1361385515), (2215, 627528041), (3101, 448234315), (5105, 272277103), (7147, 194483645), (15505, 89646863), (35735, 38896729), (87803, 15830605), (439015, 3166121), (452303, 3073105), (614621, 2261515)]