208078408

素因数分解:

$2^3\times {\mathrm{421}}^1\times {\mathrm{61781}}^1$

素因数の和:62208

約数の個数: 16

約数和(自身を含む): 391080060

約数和(自身を除く): 183001652

約数列:

[1, 2, 4, 8, 421, 842, 1684, 3368, 61781, 123562, 247124, 494248, 26009801, 52019602, 104039204, 208078408]

約数ペア:

[(1, 208078408), (2, 104039204), (4, 52019602), (8, 26009801), (421, 494248), (842, 247124), (1684, 123562), (3368, 61781)]