199960321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{521}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 239936256

約数和(自身を除く): 39975935

約数列:

[1, 11, 23, 37, 41, 253, 407, 451, 521, 851, 943, 1517, 5731, 9361, 10373, 11983, 16687, 19277, 21361, 34891, 131813, 212047, 234971, 383801, 443371, 491303, 790357, 4877081, 5404333, 8693927, 18178211, 199960321]

約数ペア:

[(1, 199960321), (11, 18178211), (23, 8693927), (37, 5404333), (41, 4877081), (253, 790357), (407, 491303), (451, 443371), (521, 383801), (851, 234971), (943, 212047), (1517, 131813), (5731, 34891), (9361, 21361), (10373, 19277), (11983, 16687)]