247439568

素因数分解:

$2^4\times 3^1\times {\mathrm{239}}^1\times {\mathrm{21569}}^1$

素因数の和:21819

約数の個数: 40

約数和(自身を含む): 641923200

約数和(自身を除く): 394483632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 239, 478, 717, 956, 1434, 1912, 2868, 3824, 5736, 11472, 21569, 43138, 64707, 86276, 129414, 172552, 258828, 345104, 517656, 1035312, 5154991, 10309982, 15464973, 20619964, 30929946, 41239928, 61859892, 82479856, 123719784, 247439568]

約数ペア:

[(1, 247439568), (2, 123719784), (3, 82479856), (4, 61859892), (6, 41239928), (8, 30929946), (12, 20619964), (16, 15464973), (24, 10309982), (48, 5154991), (239, 1035312), (478, 517656), (717, 345104), (956, 258828), (1434, 172552), (1912, 129414), (2868, 86276), (3824, 64707), (5736, 43138), (11472, 21569)]