129968368

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1669}}^1$

素因数の和:1865

約数の個数: 40

約数和(自身を含む): 261749120

約数和(自身を除く): 131780752

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 157, 248, 314, 496, 628, 1256, 1669, 2512, 3338, 4867, 6676, 9734, 13352, 19468, 26704, 38936, 51739, 77872, 103478, 206956, 262033, 413912, 524066, 827824, 1048132, 2096264, 4192528, 8123023, 16246046, 32492092, 64984184, 129968368]

約数ペア:

[(1, 129968368), (2, 64984184), (4, 32492092), (8, 16246046), (16, 8123023), (31, 4192528), (62, 2096264), (124, 1048132), (157, 827824), (248, 524066), (314, 413912), (496, 262033), (628, 206956), (1256, 103478), (1669, 77872), (2512, 51739), (3338, 38936), (4867, 26704), (6676, 19468), (9734, 13352)]