69987268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{5237}}^1$

素因数の和:5511

約数の個数: 24

約数和(自身を含む): 132437592

約数和(自身を除く): 62450324

約数列:

[1, 2, 4, 13, 26, 52, 257, 514, 1028, 3341, 5237, 6682, 10474, 13364, 20948, 68081, 136162, 272324, 1345909, 2691818, 5383636, 17496817, 34993634, 69987268]

約数ペア:

[(1, 69987268), (2, 34993634), (4, 17496817), (13, 5383636), (26, 2691818), (52, 1345909), (257, 272324), (514, 136162), (1028, 68081), (3341, 20948), (5237, 13364), (6682, 10474)]