129819710

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{51721}}^1$

素因数の和:51979

約数の個数: 16

約数和(自身を含む): 234610992

約数和(自身を除く): 104791282

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 51721, 103442, 258605, 517210, 12981971, 25963942, 64909855, 129819710]

約数ペア:

[(1, 129819710), (2, 64909855), (5, 25963942), (10, 12981971), (251, 517210), (502, 258605), (1255, 103442), (2510, 51721)]