30981904

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:407

約数の個数: 40

約数和(自身を含む): 61583360

約数和(自身を除く): 30601456

約数列:

[1, 2, 4, 8, 16, 79, 127, 158, 193, 254, 316, 386, 508, 632, 772, 1016, 1264, 1544, 2032, 3088, 10033, 15247, 20066, 24511, 30494, 40132, 49022, 60988, 80264, 98044, 121976, 160528, 196088, 243952, 392176, 1936369, 3872738, 7745476, 15490952, 30981904]

約数ペア:

[(1, 30981904), (2, 15490952), (4, 7745476), (8, 3872738), (16, 1936369), (79, 392176), (127, 243952), (158, 196088), (193, 160528), (254, 121976), (316, 98044), (386, 80264), (508, 60988), (632, 49022), (772, 40132), (1016, 30494), (1264, 24511), (1544, 20066), (2032, 15247), (3088, 10033)]