217439690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{98389}}^1$

素因数の和:98426

約数の個数: 32

約数和(自身を含む): 446297040

約数和(自身を除く): 228857350

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 98389, 196778, 491945, 983890, 1279057, 1672613, 2558114, 3345226, 6395285, 8363065, 12790570, 16726130, 21743969, 43487938, 108719845, 217439690]

約数ペア:

[(1, 217439690), (2, 108719845), (5, 43487938), (10, 21743969), (13, 16726130), (17, 12790570), (26, 8363065), (34, 6395285), (65, 3345226), (85, 2558114), (130, 1672613), (170, 1279057), (221, 983890), (442, 491945), (1105, 196778), (2210, 98389)]