128157426

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{309559}}^1$

素因数の和:309590

約数の個数: 24

約数和(自身を含む): 289748160

約数和(自身を除く): 161590734

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 309559, 619118, 928677, 1857354, 2786031, 5572062, 7119857, 14239714, 21359571, 42719142, 64078713, 128157426]

約数ペア:

[(1, 128157426), (2, 64078713), (3, 42719142), (6, 21359571), (9, 14239714), (18, 7119857), (23, 5572062), (46, 2786031), (69, 1857354), (138, 928677), (207, 619118), (414, 309559)]