209401984

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{148723}}^1$

素因数の和:148748

約数の個数: 32

約数和(自身を含む): 455095440

約数和(自身を除く): 245693456

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 352, 704, 1408, 148723, 297446, 594892, 1189784, 1635953, 2379568, 3271906, 4759136, 6543812, 9518272, 13087624, 19036544, 26175248, 52350496, 104700992, 209401984]

約数ペア:

[(1, 209401984), (2, 104700992), (4, 52350496), (8, 26175248), (11, 19036544), (16, 13087624), (22, 9518272), (32, 6543812), (44, 4759136), (64, 3271906), (88, 2379568), (128, 1635953), (176, 1189784), (352, 594892), (704, 297446), (1408, 148723)]