201985678

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 323481600

約数和(自身を除く): 121495922

約数列:

[1, 2, 23, 46, 89, 103, 178, 206, 479, 958, 2047, 2369, 4094, 4738, 9167, 11017, 18334, 22034, 42631, 49337, 85262, 98674, 210841, 421682, 980513, 1134751, 1961026, 2269502, 4390993, 8781986, 100992839, 201985678]

約数ペア:

[(1, 201985678), (2, 100992839), (23, 8781986), (46, 4390993), (89, 2269502), (103, 1961026), (178, 1134751), (206, 980513), (479, 421682), (958, 210841), (2047, 98674), (2369, 85262), (4094, 49337), (4738, 42631), (9167, 22034), (11017, 18334)]