208320178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:882

約数の個数: 32

約数和(自身を含む): 347068800

約数和(自身を除く): 138748622

約数列:

[1, 2, 11, 22, 103, 149, 206, 298, 617, 1133, 1234, 1639, 2266, 3278, 6787, 13574, 15347, 30694, 63551, 91933, 127102, 168817, 183866, 337634, 699061, 1011263, 1398122, 2022526, 9469099, 18938198, 104160089, 208320178]

約数ペア:

[(1, 208320178), (2, 104160089), (11, 18938198), (22, 9469099), (103, 2022526), (149, 1398122), (206, 1011263), (298, 699061), (617, 337634), (1133, 183866), (1234, 168817), (1639, 127102), (2266, 91933), (3278, 63551), (6787, 30694), (13574, 15347)]