247691207

素因数分解:

${\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 272409696

約数和(自身を除く): 24718489

約数列:

[1, 17, 53, 103, 157, 289, 901, 1751, 2669, 5459, 8321, 15317, 16171, 29767, 45373, 92803, 141457, 274907, 857063, 1577651, 2404769, 4673419, 14570071, 247691207]

約数ペア:

[(1, 247691207), (17, 14570071), (53, 4673419), (103, 2404769), (157, 1577651), (289, 857063), (901, 274907), (1751, 141457), (2669, 92803), (5459, 45373), (8321, 29767), (15317, 16171)]