64913015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{13127}}^1$

素因数の和:13198

約数の個数: 16

約数和(自身を含む): 83179008

約数和(自身を除く): 18265993

約数列:

[1, 5, 23, 43, 115, 215, 989, 4945, 13127, 65635, 301921, 564461, 1509605, 2822305, 12982603, 64913015]

約数ペア:

[(1, 64913015), (5, 12982603), (23, 2822305), (43, 1509605), (115, 564461), (215, 301921), (989, 65635), (4945, 13127)]