397486544

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{272999}}^1$

素因数の和:273027

約数の個数: 40

約数和(自身を含む): 947856000

約数和(自身を除く): 550369456

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 272999, 545998, 1091996, 1910993, 2183992, 3548987, 3821986, 4367984, 7097974, 7643972, 14195948, 15287944, 24842909, 28391896, 30575888, 49685818, 56783792, 99371636, 198743272, 397486544]

約数ペア:

[(1, 397486544), (2, 198743272), (4, 99371636), (7, 56783792), (8, 49685818), (13, 30575888), (14, 28391896), (16, 24842909), (26, 15287944), (28, 14195948), (52, 7643972), (56, 7097974), (91, 4367984), (104, 3821986), (112, 3548987), (182, 2183992), (208, 1910993), (364, 1091996), (728, 545998), (1456, 272999)]