67684868

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{3907}}^1$

素因数の和:4043

約数の個数: 24

約数和(自身を含む): 122117184

約数和(自身を除く): 54432316

約数列:

[1, 2, 4, 61, 71, 122, 142, 244, 284, 3907, 4331, 7814, 8662, 15628, 17324, 238327, 277397, 476654, 554794, 953308, 1109588, 16921217, 33842434, 67684868]

約数ペア:

[(1, 67684868), (2, 33842434), (4, 16921217), (61, 1109588), (71, 953308), (122, 554794), (142, 476654), (244, 277397), (284, 238327), (3907, 17324), (4331, 15628), (7814, 8662)]