257977970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{4357}}^1$

素因数の和:4586

約数の個数: 32

約数和(自身を含む): 481959936

約数和(自身を除く): 223981966

約数列:

[1, 2, 5, 10, 31, 62, 155, 191, 310, 382, 955, 1910, 4357, 5921, 8714, 11842, 21785, 29605, 43570, 59210, 135067, 270134, 675335, 832187, 1350670, 1664374, 4160935, 8321870, 25797797, 51595594, 128988985, 257977970]

約数ペア:

[(1, 257977970), (2, 128988985), (5, 51595594), (10, 25797797), (31, 8321870), (62, 4160935), (155, 1664374), (191, 1350670), (310, 832187), (382, 675335), (955, 270134), (1910, 135067), (4357, 59210), (5921, 43570), (8714, 29605), (11842, 21785)]