289765528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59281}}^1$

素因数の和:59347

約数の個数: 32

約数和(自身を含む): 597562560

約数和(自身を除く): 307797032

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4888, 59281, 118562, 237124, 474248, 770653, 1541306, 2786207, 3082612, 5572414, 6165224, 11144828, 22289656, 36220691, 72441382, 144882764, 289765528]

約数ペア:

[(1, 289765528), (2, 144882764), (4, 72441382), (8, 36220691), (13, 22289656), (26, 11144828), (47, 6165224), (52, 5572414), (94, 3082612), (104, 2786207), (188, 1541306), (376, 770653), (611, 474248), (1222, 237124), (2444, 118562), (4888, 59281)]