128638392

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{79999}}^1$

素因数の和:80075

約数の個数: 32

約数和(自身を含む): 326400000

約数和(自身を除く): 197761608

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 79999, 159998, 239997, 319996, 479994, 639992, 959988, 1919976, 5359933, 10719866, 16079799, 21439732, 32159598, 42879464, 64319196, 128638392]

約数ペア:

[(1, 128638392), (2, 64319196), (3, 42879464), (4, 32159598), (6, 21439732), (8, 16079799), (12, 10719866), (24, 5359933), (67, 1919976), (134, 959988), (201, 639992), (268, 479994), (402, 319996), (536, 239997), (804, 159998), (1608, 79999)]