208911248

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{143483}}^1$

素因数の和:143511

約数の個数: 40

約数和(自身を含む): 498176448

約数和(自身を除く): 289265200

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 143483, 286966, 573932, 1004381, 1147864, 1865279, 2008762, 2295728, 3730558, 4017524, 7461116, 8035048, 13056953, 14922232, 16070096, 26113906, 29844464, 52227812, 104455624, 208911248]

約数ペア:

[(1, 208911248), (2, 104455624), (4, 52227812), (7, 29844464), (8, 26113906), (13, 16070096), (14, 14922232), (16, 13056953), (26, 8035048), (28, 7461116), (52, 4017524), (56, 3730558), (91, 2295728), (104, 2008762), (112, 1865279), (182, 1147864), (208, 1004381), (364, 573932), (728, 286966), (1456, 143483)]