128891976

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 329145600

約数和(自身を除く): 200253624

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 157, 158, 237, 314, 316, 433, 471, 474, 628, 632, 866, 942, 948, 1256, 1299, 1732, 1884, 1896, 2598, 3464, 3768, 5196, 10392, 12403, 24806, 34207, 37209, 49612, 67981, 68414, 74418, 99224, 102621, 135962, 136828, 148836, 203943, 205242, 271924, 273656, 297672, 407886, 410484, 543848, 815772, 820968, 1631544, 5370499, 10740998, 16111497, 21481996, 32222994, 42963992, 64445988, 128891976]

約数ペア:

[(1, 128891976), (2, 64445988), (3, 42963992), (4, 32222994), (6, 21481996), (8, 16111497), (12, 10740998), (24, 5370499), (79, 1631544), (157, 820968), (158, 815772), (237, 543848), (314, 410484), (316, 407886), (433, 297672), (471, 273656), (474, 271924), (628, 205242), (632, 203943), (866, 148836), (942, 136828), (948, 135962), (1256, 102621), (1299, 99224), (1732, 74418), (1884, 68414), (1896, 67981), (2598, 49612), (3464, 37209), (3768, 34207), (5196, 24806), (10392, 12403)]