207974804

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{179909}}^1$

素因数の和:179947

約数の個数: 18

約数和(自身を含む): 386626590

約数和(自身を除く): 178651786

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 179909, 359818, 719636, 3058453, 6116906, 12233812, 51993701, 103987402, 207974804]

約数ペア:

[(1, 207974804), (2, 103987402), (4, 51993701), (17, 12233812), (34, 6116906), (68, 3058453), (289, 719636), (578, 359818), (1156, 179909)]