64398410

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{4643}}^1$

素因数の和:4742

約数の個数: 32

約数和(自身を含む): 123716160

約数和(自身を除く): 59317750

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 190, 365, 730, 1387, 2774, 4643, 6935, 9286, 13870, 23215, 46430, 88217, 176434, 338939, 441085, 677878, 882170, 1694695, 3389390, 6439841, 12879682, 32199205, 64398410]

約数ペア:

[(1, 64398410), (2, 32199205), (5, 12879682), (10, 6439841), (19, 3389390), (38, 1694695), (73, 882170), (95, 677878), (146, 441085), (190, 338939), (365, 176434), (730, 88217), (1387, 46430), (2774, 23215), (4643, 13870), (6935, 9286)]